It has a pool, would have 5 BR (currently it has 3 BR and an office), 2.5 bathrooms. 

However, I learned from all the mistakes I made in the process, and eventually got them all corrected and up to their requirements -- and I was off to the races.City has some cheatsheets available on a number of various requirements that are most-commonly failed by folks submitting their plans, things like hazardous glazing, spacing for certain bathroom fixtures, escape windows, etc.

You are bringing value and the discount is your commission. 

It currently has tiled countertop in kitchen & Formica-like countertops in 3 bathrooms.

It has a full bathroom, and the walkout basement is about 1k sqft. 

It looks like it was once a park with bathrooms.

Debating on whether I should ask him if he wants to invest in a property together so maybe I could get a better discount on the home improvements and also get to go through the step by step process on the house rehab.

The bathroom is a biohazard so I couldn't check and failed to open the kitchen faucet.

Purchase price: $102,500 Cash invested: $28,000 Rehabbed single family ranch property by replacing all trim, flooring, removing kitchen wall for open concept, new kitchen cabinets & island, replaced roof, updated electrical, new heat pump and A/C, complete Master Bathroom(with tile shower), and adding egress window in basement.

I just did a full price cash offer, no contingencies on a fixer upper that was dirty and smelled awful (cats) - needed a new roof, doors, windows, both bathrooms and a new kitchen as well as most of the windows and a lot of pressure washing.