Thanks Fanfare. I have since been reading up on the Annualized Income Installment Method which I had never heard of before that is starting to make sense. When I fill out each quarter and do the math, it aligns with what I paid in each quarter because I based the payment on the money I earned during that quarter. As in my examples, my third quarter earnings was negative because I lost money that quarter so I did not make an estimated payment. I tax harvested and had a negative 4th quarter so was not planning on making a payment this quarter as what I paid in the first two quarters overpaid my final AI total by about $5K. This makes sense now but just not sure if it was a problem to not make any payment for the 3rd and 4th quarter.
