Specifically, the cost to have it corrected is now a known material fact. 

Granted there is a cost in hiring an agent, Having someone analyze each deal with localized knowledge is worth its weight in gold.

This might depend upon your license, if required.Loan Document Costs: Will you charge for these?

Fees:The Set-Up Fee is $50The IRA Annual Fee is $275 (flat fee regardless of the number of assets & regardless of the account value)The Direction of Investment fee is $10**The Wire Fee is $15See our fee schedule for Crypto-currency feesPlease refer to the fee schedule to see metals storage costs.

Coin jams are going to be your second biggest headache unless you invest in those fancy ones with tap-to-pay but those cost a pretty penny.

No but keep track of those repairs as it will add to your cost basis when you go to sell it and have to pay capital gains.

So i put in an offer for 10% down conventional loan, $530,000 with 10k back to me for closing costs and it was accepted right away.

But if your goal is to cashflow positive from the Day 1, you may find it very challenging due to current day interest rates, high cost of construction and the fact you won't have the efficiencies of a seasoned developer building at scale.

How much upfront costs are typically involved in a project before you know if it's a viable project to pursue? 

Hire an attorney to handle this, or it'll cost more and take longer than necessary.