Start with Jim Dahle's "white coat investor" website and Youtube channel and Reddit subthreads.

Agree with everyone else - Install a nice pre-fab vanity, tasteful mirror, add a nice light fixture, and slap a coat of paint on the wall.

They sell wax crayons that you can use to fill small imperfections and then coat with shellac or poly perhaps.

The product appears to be more than just a coating as it goes on in some depth, then hardens into a seamless layer. 

The first floor bathroom and 2 bedrooms were given a fresh coat of paint and a good cleaning.

In that regards I would rather prefer to build a mutual beneficial connection rather than one that only benefits one side, even as a newbie there's something that can be offered that is of value.And I would rather that you're blunt rather than sugar coat things, in several discussions I found instances where wholesalers took advantage of sellers through P&SA contracts, inspection clauses and closing dates and were unable to fulfill there obligations to the sellers and preventing the seller from getting other buyers during the validity of the contract, I means it's quite unfair.But there where other instances where wholesalers had built credibility by the manner in which the death, I mean that is what builds a good relationship and make room for future referrals.I would still like to know your thoughts on Wholesaling and wholesalers, please do not sugar coat, let it out just as you see it. it.

Paintable surfaces, such as walls and ceiling, and the subfloor will get a coat of an oil based odor/stain blocker, such as that made by Kilz or Zinsser.

They appear ok at first, but then they peel because the coating on them is not paint. 

Don't sugar coat it, but be honest.

Clean it up, put on a fresh coat of paint, and list it on the MLS to attract tons of buyers, including retail buyers!