I would use a service such as vacationrentaldesk.com for this.A direct booking is no more risky than a booking through VRBO or Airbnb; they aren’t verifying identity, either.In fact, my own company has taken thousands of reservations over 19 years, and we don’t verify identity.  

UPDATE @Abel Curiel, @Sam Kahl, @Nathan Gesner, @April Rae- The TRAP HOUSE Next door is no more! 

Folks vote for no more STRs, they are gone and you are out of luck.If there is a large block of condo's owned by a single entity, like a wealthy family or corporate entity, you are also in the same boat.

Also, for advertising, you must follow the rule of no more than 2 people per bedroom plus 2 additional guests on couches.If you need more information or help with the registration process, just let me know—I’d be glad to assist!

Under the tax lien system, current law, the investor may file a foreclosure lawsuit when its been at least 3 years since the first auction but no more than 10 years.

Quote from @Powell DiGangi: My guest policy is no more than ten days per month for any given person, which covers a boyfriend/girlfriend staying over on the weekends or a family member visiting. 30 days is a long time.

I'd estimate he spends no more than 3 hours a month working on it.

If they choose to leave, then I would give them no more than 60 days to vacate, clean the place up, and rent it for market rate.

No more transactions. 

I pay a flat fee depending on the funding size, but up to about $250k it costs me no more than $1,000.