It also gave me a good idea of ALL of the charges.I would like to find one that has a little skin in the game, to find and retain a quality tenant who takes care of the place and pays on time.

I might even be interested in acting on your behalf as the personal representative, so you retain control. 

Staying on top of maintenance, repairs, upgrades and updates will help you retain good tenants.

There's no banking issues with these 2 items and you retain much more control.Do not let the Buyer make payments.

Do they sell some of the stock that they had originally retained during the IPO?

To grow the company with retained earnings for at least 5 years.

My Dad only paid the $2500 retainer to the lawyer.

The seller pays the buyer's agent commission anyway, so it won't cost you anything to retain one!

For instance if you retain knowledge by reading, I too would recommend What Every Real Estate Investor Needs to Know About Cash Flow however be forewarned that it can be a very dry read, especially if you have little knowledge of the concepts.

Retain the services of an attorney who specializes in landlord-tenant law for your jurisdiction.Did you mail a letter of introduction to the tenant?