You need to beat that 10/1/24 deadline before the laws change, and not a good way for you.

Meet Filing Deadlines: Ensure you comply with all relevant filing deadlines for forms such as the 1099-NEC.

Managing extensive renovations required meticulous oversight to stay within budget and meet deadlines.

Based on what you've said here, I'd offer that $72K as a base salary and bonuses based on profit and meeting deadlines. 

Managing a minimal renovation budget required careful oversight to stay within financial limits and meet deadlines.

Managing a small renovation budget required careful oversight to stay within financial limits and meet deadlines.

Managing a small renovation budget required careful oversight to stay within financial limits and meet deadlines.

You should have a 593 form from escrow that they held some money back, and then anything above what escrow holds above and beyond that amount your CPA will calculate to pay next April or October 2025 (depending if you push back the deadline/file extension).

From an agent perspective, an inspection contingency or not and deadlines are usually clearly stated in the contract, to be reviewed before you sign, and you should have a copy for reference.

Give them a form to fill out if they want to make payments, so there's a clear schedule of how much they need to pay each time and a deadline for when it should be paid in full.