How long is the moneyback guarantee good for? 

No guaranteed way to stop a determined, experienced thief:(Only deterrents that push them to easier jobs.The roof may be a good idea - until they figure out the just need a ladder to get up there and a rope to lower it down. 

If one partner unconditionally guarantees the debt, this can sometimes require some side room guarantees to that partner to ensure no one recognizes a capital gain.As a few others have alluded to, there is a secondary problem known as a "debt financed distribution interest expense." 

They also stated they only allow three brokers and three cash homebuyer “spots” in any given area, and they only move into areas where they can guarantee at least 600 leads per year.

At that point, the clock will restart by 5 minutes after every counter bid, until the bidding stops.With mortgage foreclosures you'll want to guarantee that the property is vacant to avoid going through a messy eviction battle. 

Google USDA property eligibility and click the Guaranteed search. 

Even with guaranteed rent, it's important to thoroughly vet applicants.

We've rented out some of our best investment properties (New Construction/Turnkey) to Sec 8 residents, and the rent guarantee always helps in achieving consistent cash flow each month.

If you do most things right, most issues are mitigated and it's not too bad, but there's no guarantees.

It's no guarantee but it's a good place to start.