Choose to conduct due diligence in-house, hire a third-party company, or utilize the property management company.

We would be installing a street and double stacking townhome style units on each side.I part I don’t have experience with necessarily is how to better understand infrastructure and site work cost (road, utilities, excavating, etc.

They charge you utilities for anything over $250/tenet.

@William Coet, as Jackson noted, there are too many variables to even begin.Two things to remember, any tax losses you utilize to offset incomes, will reduce basis making bigger tax bill in sale year.  

As with any type of investment, investors should list the estimated costs to calculate their potential profit.Costs to consider on fix-and-flipsRepairs (always be conservative)Carrying costs (interest, points)Monthly costs (utilities, HOAs, insurance, taxes)Buying costs (back taxes, cash for keys, liens, code violations)Selling costs (commissions, closing costs, transfer fees, title insurance)Unexpected costs (add $5,000 to be safe)These are the basic costs investors should consider.

Last think to consider when purchasing a home is utilizing a 401k loan if you have a 401k established.

Even if you own in cash, utilities, insurance, and taxes cost you money every day you hold.

I won't be charging him any rent, he will just pay for the utilities used for that period. 

I have a tenant who I believe to be on some type of heavy drug like herion, or meth ...I recently inspected the property it was full of garbage everywhere some hording, it's just trashed. 

Rent assistance is also provided by other factors such as number of bedrooms and if the Landlord is providing any of the utilities.