However you have to weigh out the cost/benefit of getting a fresh new list of people and mailing to them 5 times and hopefully striking gold there. 

As far as cash flow gold mines, it's okay but not great.

Off market deals are gold, and you want to make sure your Realtor sends them to you and not the next person. 

Arbitrage is the Fool's Gold of short-term rentals.

If the only lock is the deadbolt this will reduce tenant lock out calls & lower your lock change cost at turnover.Remove ceiling fans & pull chains or anything else that tenants can hang from or pull on.When possible remove carpet & refinish the hardwoods or install vinyl flooring.Use one neutral color to paint the whole house.

. ;) I don't know block chain.

Get a phone book and call every small lender in your area, you may strike gold.

You start moving down the list to national chains but private non-rated, large franchisees, small franchisees, mom and pop the quality of loan rates and terms drops and chances get higher of tenant default not surviving the primary lease term.

Were I you Id go with Ft Meyers the properties are newer, prices and taxes are lower than NJ and you'll have an easier time with the tenants there, if you can get a property in the north wester part of the city Air BNB is a great option as wellYes, exactly my chain of thinking.

A knowledgeable local agent will also be a gold mine of information about what areas are most desirable to other buyers.