Let your lawyer add in penalty clauses for inferior work and non compliance with the time schedule.

This is not the business where you want to make mistakes or learn from your mistakes as if you get negative publicity upfront, those reviews will be there for a long time, and a huge majority of guests read these reviews before they decide on a property.I would also consider staying at another airbnb, especially by those who have high ratings and super host, to find out how they communicate or deal with their guests. 

In fact, most loans obtained for these purposes are non owner occupied loans and they may have pre-payment penalties, but that is getting way off base for this conversation.Lets stick to the topic at hand which is about how to set up QB for flip projects.

Or would this be non kosher and hurt relationships with future GC's?

This will vary based on how far your structure is from the connection but a rough estimate would be nice.You may want to call the public works division, I imagine they have to hookup the actual connections to the city service. 

My back ground is in church and non-profit work, but one year ago (March '17) I got into slingin' mortgages.I'm highly analytical and I'm addicted to spreadsheets.

You can add granules to it to make it non-slip but that’s designed for shop floors & auto repair shops.

Scenario:  If a prospective tenant was evicted due to not paying rent, but now they are on a Section 8 housing voucher, do you make an exception or look at this any different than a normal eviction?

Every county in the US has a public website that you can search to pull up previous tax bills for that property.

I'm a bit torn because I've gotten a couple replies like Thomas's, and I would definitely consider some non risky financing.