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>AMT is a pretty complicated calculation Actually, it is not. It only seems complicated because it is backed into after calculating the regular tax when you u

>AMT is a pretty complicated calculation Actually, it is not. It only seems complicated because it is backed into after calculating the regular tax when you use the IRS tax forms. In other words, first you calculate ordinary tax, then you make plus/minus adjustments for the things that are different under AMT. If there was a Form 1040-AMT which simply calculated the AMT the same way we calculate regular tax, you would see that it is actually simpler than ordinary tax. (depreciation is simpler, itemized deductions are simpler, personal exemptions for kids go away, the standard deduction is much higher, and so on). If we did it the other way around - calculate AMT first, then make adjustments to back into ordinary tax, then you'd say ordinary tax is complicated. Most people don't understand that under the TCJA temporary provisions enacted in 2017 and expiring in 2025, most of the changes just involved moving AMT provisions into the ordinary tax calculation.

hn_throwaway_99 1y ago
I agree AMT itself is not a particularly complicated calculation. But I don't think that was really the point of that quoted statement. The complicated part is figuring out if and when AMT applies to you, and, essentially, for how long it can raise your taxes. As you said, the tax code requires you to calculate your taxes twice - once using the "normal" rules, and another time using the AMT rules, and you pay whichever is higher. So, depending on your individual circumstances, it's non-trivial to know if AMT will apply to you when making particular money movements during the year. Also, if you have to pay AMT in year one, but then in year two the calculated AMT is below your normal tax calculation, you get a credit for the excess amount (i.e. amount over the normal tax from year 1) up to the delta between the normal tax and the AMT amount. In other words, AMT can often times just cause tax to be paid earlier, but the total amount of money (over years), ends up being the same. Of course, the time value of money comes into play - paying a tax earlier is losing money. So, point being, there are complicated considerations to take into account.

hn_throwaway_99 1y ago

I agree AMT itself is not a particularly complicated calculation. But I don't think that was really the point of that quoted statement. The complicated part is figuring out if and when AMT applies to you, and, essentially, for how long it can raise your taxes. As you said, the tax code requires you to calculate your taxes twice - once using the "normal" rules, and another time using the AMT rules, and you pay whichever is higher. So, depending on your individual circumstances, it's non-trivial to know if AMT will apply to you when making particular money movements during the year. Also, if you have to pay AMT in year one, but then in year two the calculated AMT is below your normal tax calculation, you get a credit for the excess amount (i.e. amount over the normal tax from year 1) up to the delta between the normal tax and the AMT amount. In other words, AMT can often times just cause tax to be paid earlier, but the total amount of money (over years), ends up being the same. Of course, the time value of money comes into play - paying a tax earlier is losing money. So, point being, there are complicated considerations to take into account.