First off, if you earn a lot more in one year like this, you don't need to do any real calculations to avoid underpayment penalties. You simply need to pay the at least 100% of the last year's tax (110% if AGI is above a threshold which I don't remember). Secondly, the first payment is only for income earned in Jan - March, so in my case, since the house sold in April, I get a reprieve until June.
the threshold for AGI is $150,000. 1/2 that if married filing separate.
Secondly, the first payment is only for income earned in Jan - March, so in my case, since the house sold in April, I get a reprieve until June.
not quite the above only works if you use the annualized installment method and the tax for 2022
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