If this isn't required, then most likely having the GC sign a completion guarantee to ensure the project gets finished and lender is not stuck with a partially complete asset is the case. 

no one, including my score, is going to be much higher.  

I think 1) 10 years that includes recovery from GFC and the Covid pandemic is not a long enough duration2) I think for those 10 years, 100% is not that special3) I think many Midwest markets did not experience the appreciation you depict.There are Midwest markets that have pretty good long term appreciation but there are also many Midwest markets that have appreciation that has not historically kept up with inflation.  

It may be easier to include utilities in the rent.

The risk is not including due diligence caveats in your offer, like inspections.   

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Most hard money lenders require 10-20% down payment of the purchase price or total project cost.Holding Costs During Rehab: Yes, you'll need to cover carrying costs, including hard money interest, utilities, taxes, and insurance.

Quote from @Yaroslav Shtogun: Hello Community,I am seeking advice on the following real estate situation:I’m in the process of purchasing a double lot property (100x100 in an RS-50 zone) that includes a 1,200 sqft wood-frame house and a 640 sqft detached garage.

It's a spacious 4br 2.5 bath with finished basement in desirable school district in a B Class neighborhood.

There is roughly $20,000 left in rehab including windows, floors, a new kitchen and bathroom.