If nothing else, I would at least turn the debt over to a collection agency and put it on their credit report so other landlords (at least those who run a credit check) can see it. 

Although I would love to do that at least once for the experience, I know that buy and hold is going to be my route for the first few years then commercial.A close friend of mine's father is a successful Real Estate Broker and has his own agency.

Servicing is more complicated than loan origination, ultimately HUD and the CFPB would be the agencies overseeing owner occupied note servicing, non-owner or commercial adds more layers of agency oversight depending on who or what the transaction entails.

Are you doing dual agency?

The algorithm the credit agencies use does not know how to deal with investors that have 30 or 40 mortgages.  

Other areas that are good for income producing/defensive investing our mobile home parks, self storage and senior living.

.— (1) As used in this part: (a) “Broker” means a person who, for another, and for a compensation or valuable consideration directly or indirectly paid or promised, expressly or impliedly, or with an intent to collect or receive a compensation or valuable consideration therefor, appraises, auctions, sells, exchanges, buys, rents, or offers, attempts or agrees to appraise, auction, or negotiate the sale, exchange, purchase, or rental of business enterprises or business opportunities or any real property or any interest in or concerning the same, including mineral rights or leases, or who advertises or holds out to the public by any oral or printed solicitation or representation that she or he is engaged in the business of appraising, auctioning, buying, selling, exchanging, leasing, or renting business enterprises or business opportunities or real property of others or interests therein, including mineral rights, or who takes any part in the procuring of sellers, purchasers, lessors, or lessees of business enterprises or business opportunities or the real property of another, or leases, or interest therein, including mineral rights, or who directs or assists in the procuring of prospects or in the negotiation or closing of any transaction which does, or is calculated to, result in a sale, exchange, or leasing thereof, and who receives, expects, or is promised any compensation or valuable consideration, directly or indirectly therefor; and all persons who advertise rental property information or lists.Keyword real property of othersHere is the Fl definition of real property(i) “Real property” or “real estate” means any interest or estate in land and any interest in business enterprises or business opportunities, including any assignment, leasehold, subleasehold, or mineral right; however, the term does not include any cemetery lot or right of burial in any cemetery; nor does the term include the renting of a mobile home lot or recreational vehicle lot in a mobile home park or travel park.Exemptions.

It is in a mobile home park where the rent is $432.

So i purchased a mobile home that was already in a park, the person i bought it from was currently renting the property but after the last tenant left she decided to sell.

I'm in Texas and VERY interested in flipping mobile home.