We already had some tools stolen, so I am looking into ways to secure the property over night.

If something is stolen or broken while in your car can you be held accountable? 

He was concerned that it would be stop-paid, reported as stolen, or bounced.

I truly appreciate your honest comment, which (unfortunately) confirms my concern, and provides further insight.The following site also has a nice overview of how safe, from a seller's perspective, are various payment methods: https://en.bitcoin.it/wiki/Payment_methods (Note: I have not the faintest clue what a bitcoin is, but they seem to have the same problem that we have: safe electronic payment methods.)In summary, I conclude that there is no suitable electronic payment method for rent collection, that is governed by the rule of law rather than the judgement of private intermediaries the rules of which can be gamed, and that cannot be reversed at will by a smart "professional" renter.

They told me bitcoins is the answer.

We found out for possible stolen property.Both of the resident's do NOT have a felony or anything really on their background check.What are your thoughts?  

Everything was stolen out of it.

And they had stashed the stolen objects on your property, and then name dropped you to the police.  

A one time thing where someone's purse was stolen?

Yea Michael, fortunately this one is fairly straight forward..except that my newly planted plants and flowers stolen in front of the house!