Rishi Sunak will take to the despatch box on Wednesday to deliver his spring Budget - believed by many to be the most crucial speech made in his role as Chancellor so far.
Much had already been reported as early as last week as to what he will announce on Wednesday - including an expected extension to the stamp duty holiday.
But there are still various uncertainties and rumours over what could be in his annual statement.
Follow our live updates on Budget day 2021 here.
He has said his Budget will focus on four key themes - "support, vision, recovery, honesty" when he addresses the nation, and everyone from hospitality business owners to the self-employed to high-profile bankers will be paying close attention to what is said.
Here are 21 things to watch out for when Mr Sunak takes to his feet in the House of Commons on Wednesday:
£5bn to help venues reopen
One of the figures the Government is most keen to shout about ahead of Wednesday's Budget is the £5bn grant scheme to help shops, pubs, restaurants and other businesses reopen.
These will be called "restart grants" - worth up to £6,000 per premises to help non-essential shops reopen.
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Then, hospitality, hotels, gyms and personal care firms will be eligible for up to £18,000 per premises.
It's thought that almost 700,000 businesses will benefit from the move.
BusinessLive's Budget 2021 coverage
New 95% mortgages
Mr Sunak will announce a new scheme making it easier to get a 95% mortgage.
Small-deposit deals have virtually dried up during the pandemic, shattering the dreams of many would-be buyers who can’t save enough to get on the ladder.
The Chancellor's announcement will mean it’s possible again to buy a home with, say, a deposit of £15,000 rather than £50,000.
That's a boost to many first-time buyers who want a place of their own. But the scheme could push up prices in the long run.
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Stamp duty
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Estate agents have in recent days urged Mr Sunak to extend the current stamp duty holiday - which ends in March - until summer.
That means Mr Sunak has a big decision either way to make about whether to cut the holiday - which saves buyers up to £15,000 - or extend it.
Stamp duty was suspended on all house sales up to £500,000 during the pandemic.
Other Covid support
The Chancellor is also tipped to extend the self-employment support scheme and some business measures including VAT cuts.
The support package due to be announced on the day, and will have an "imperfect relationship" with the road map.
This means it will not line up perfectly with the dates for ending lockdown - but sources told the Mirror there will be support of some kind.
An extension until the summer for furlough
He is also reportedly considering extending the furlough scheme by two months from its current April 30 end date - in line with the Government's roadmap out of lockdown.
The Jobs Retention Scheme kept 9m people in work at its peak last May - with 4.5million still claiming support as lockdown restrictions continue across England.
The scheme, which has cost almost £50billion to date, pays 80% of wages, up to £2,500 a month. As things stand, it is due to end on April 30.
Reports suggest he will extend it until June 30.
... but will the same be announced for business rates?
It's hoped by many firms Mr Sunak could also announce that business rates relief will continue beyond the end of March - the date it had been set to expire.
There have also been calls over the weekend by Conservative 'red wall' MPs to cut business rates from 50% of market rent to 35%.
Corporation tax to rise?
There are rumours in several national newspapers the Chancellor will reverse some of the Tory cuts to corporation tax, raising it as high as 25%.
The move may not be immediate, and may happen over the length of Parliament - until 2024.
Income tax
Mr Sunak is said to be considering axing rises to the Income Tax personal allowance to help pay for the Covid crisis, according to the Daily Telegraph.
The tax-free personal allowance - currently £12,500 - was due to rise in April for the first time since 2019.
While the allowance would have only risen to £12,562 this year, saving a family just £12.50 in tax, that would have paved the way for bigger rises in future years that could have built on it. Reports suggest the Chancellor is plotting three years in a row of freezes - saving the Treasury £6bn.
New 'stealth tax' for wealthy pensioners
reported the Chancellor could freeze the lifetime allowance - the amount people can save before tax charges kick in - at just over £1million.
As more people would be pulled into the tax net, about 10,000 people with larger pensions could pay more than £22,000 extra in tax by 2024, it was reported.
A move north for parts of the Treasury
The Chancellor could nod to the government's pledge to "level up" by announcing a site for a northern HQ of the Treasury.
According to the Financial Times it could be Darlington - a stone's throw from his constituency.
Fuel duty
Mr Sunak reportedly warned MPs he would have to hike fuel duty by 5p per litre to pay for the Universal Credit uplift.
But the Chancellor is said to have cancelled the hike yet again - the tenth year running - in a 'red meat' pitch to his back benchers.
The levy has been frozen at around 58p for an entire decade - saving the average car driver a cumulative £1,200 each but depriving the state of an absolute fortune while other duties continue to rise, and while we face a climate crisis.
£126m for apprenticeship schemes
A £126m boost for firms running apprenticeship schemes is also expected.
In the first confirmed policy of the Budget, Mr Sunak will tell MPs that the funding will enable the creation of 40,000 additional traineeships in England.
At the same time, he will promise to increase the cash incentives for employers who take on an apprentice to £3,000 - regardless of age. Currently firms can claim £2,000 for each apprentice they hire aged 16 to 24, or £1,500 for those aged 25 and over.
Changes to Brexit immigration system
Mr Sunak could announce he's already changing the post-Brexit immigration system just months after its launch.
Reforms will create a new "elite" route under the points-based system for researchers, engineers, scientists and those in the tech sector to work in the 海角视频 without other workers' requirements.
The Treasury told : "Highly skilled migrants with a job offer from a recognised high-growth firm will qualify for a visa without the need for sponsorship or third-party endorsement."
Minimum wage
The Budget is likely to confirm the minimum wage rates for 2021, but because they begin in April we already know what they'll be.
It will rise by 19p an hour to £8.91 for over-23s, with 23 and 24-year-olds included in the higher rate for the first time.
It will also hit £8.36 for those aged 21-22; £6.56 for those aged 18-20; £4.62 for 16 and 17-year-olds and £4.30 for apprentices.
Due to low inflation the minimum wage is rising by less than might have been hoped.
Universal Credit
Part of Mr Sunak's task in announcing his Budget is to decide whether to extend the £20-a-week boost to Universal Credit beyond April 12.
If he doesn't, it will be cut by £85 a month for 6m claimants.
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Alcohol and cigarettes
It is traditional for 'sin taxes' to rise in the Budget - usually at 6pm the same day to avoid a run on corner shops.
However, it seems likely the Chancellor could freeze beer duty for example, to throw a bone to pubs desperate for some trade.
Beer gardens will be allowed to open from April 12 at the earliest in England, followed by indoor areas of pubs from May 17.
Crackdown on Covid fraud
A dedicated unit to crack down on Covid-19 fraudsters exploiting Government financial rescue schemes like furlough is due to be announced in the Budget next week.
The Taxpayer Protection Taskforce, underpinned by £100 million and 1,250 staff, will investigate and hunt down people swindling cash through coronavirus income support programmes, said the Treasury.
£1.6bn for vaccine efforts
Mr Sunak will set out plans to inject another £1.6bn into the vaccination programme. As part of this he will give £22m to fund a “world first” trial to test if different vaccines can be used together, or if a third dose is effective.
He will also divert £33m to improve the ability to respond to variants and improve vaccine testing, including £5m to create a “library” of Covid-19 jabs.
But questions remain over whether vaccine hesitancy could hamper the 海角视频’s path out of lockdown.
Green savings bond and 海角视频 infrastructure bank
The 海角视频 will launch a sovereign green savings bond for retail investors to help cut greenhouse emissions to net zero by 2050.
Savers will be able to buy the bond through NS&I, the Treasury-backed organisation which offers things like Premium Bonds. It'll be on sale later in 2021 with a to-be-confirmed interest rate. The funds will be spent on renewable energy and clean transport.
£12bn of capital and £10bn of government guarantees will be announced for the 海角视频 Infrastructure Bank launching in Spring.
It will offer equity, loans and guarantees for private sector infrastructure projects in sectors such as renewable energy, carbon capture and storage and transportation. Councils and mayors can also get infrastructure loans at low rates.
£400m for museums, theatres and galleries
The Chancellor will provide more than £400m of additional support for the badly hit culture sector.
Mr Sunak is preparing to hand out £408 million to help museums, theatres and galleries in England to reopen once coronavirus restrictions start to ease in the coming months.
Many theatres have not been able to open their doors since March 2020.
Money for sports recovery
Treasury officials also said Mr Sunak will use his fiscal package on Wednesday to give a "significant chunk" of a £300m sports recovery package to cricket as fans prepare to return to stadiums this summer.