Many people will misinterpret “You need to have at least a $7,500 tax liability to realize the incentive” as meaning that you have at least a $7.500 balance due to the IRS at the endo of the year after whatever withholding and/or prepayments you’ve made for the year. That is not correct.
You simply must have federal income tax of $7,500 or more for the year, whether you’ve already paid it or not, to qualify for the tax credit.
If at the end of the year you owe a balance of less than $7,500, the difference can either be refunded to you or applied to your 2024 taxes.