You’ll soon discover that the information you’re studying to pass your real estate exam doesn't even scratch the surface of all you need to learn to be a good real estate agent.

First of all bleach only kills mold on hard surfaces (terrible misconception out there).On porous surfaces the bleach will appear to have killed the mold but the roots are still active waiting to regenerate.

The usual surface remodel stuff you'll have no problems with (painting, new fixtures, appliances, flooring, cabinets, etc.) but once you start altering floorplans or moving electric or plumbing, it's generally smarter to get the permit (unless it's for your own house and you don't care about the resale value and are comfortable with the risk).Also remember that while this stuff pertains to the county and state rules, individual HOA's also have their own rules and some require that all work be done permitted and/or by licensed contractors. 

Here's the pertinent info:Apartment: 500 sq. ftFoundation: Assume no repairs neededRoof: Some surface granulation failures, will need to be repairedFull gut renovation of kitchen, living room, bedroom, and bathroom.Appreciate any and all thoughts.

While on the surface of examining the rents in the most popular zip codes (19143, 19139, 19142) might show Section 8 rents identical to market, that being said the conditions needed to reach that rent are drastically different.

There are a lot of moving parts here to consider, you've only scratched the surface.

This was only scratching the surface of the highly complex rules involved.

when you look at their financials they have negative equity and on the surface it looks bad. when you look at their revenue it has grown the past 10 years by at least 10%.

Compare that and the refinish price against another surface and see what it more cost effective/looks better for what you are trying to do. 

This just scratches the surface for you.