After playing detective, being cross with lazy title service, and driving 8 hrs out of my way (4 hrs each way), I was able to settle the title issue with the attorney that signed a vendor's lien over 15 yrs ago.

Venmo has a clause in their user agreement that says they could reverse the charges if they detect it was used for business purposes, although it would be more a risk to him than to you.

Sometimes this involves being a bit of a detective as the agent or the investor. 

There is now a dog service in Denver you can hire that will sniff a residence and detect them before you make a purchase.

Cat will probably have to have the bottom of the wallboard replaced.If there are heating vents in the floor, wash those.A lot of people won't notice faint dog smell, but everybody seems to be able to detect even the slightest smell of cat, so you have to be sure to get it all.

I'm considering having my handy-man/ county narcotics detective friend do the inspection for me.

Through a little detective work, I located the property. 5301 Blossom Street, Houston, Tx 77007.

As for a tool you can use: a lot of times its a subscription service to the software that's used, kind of like MLS, and you have to have some type of legal, law enforcement, or fraud detection credentials to be able to get them.

Many stores now run cash through counterfeit detection machines and call the police when they find any.Many stock brokerages stopped taking or giving cash in the 1980s when Congress passed the "know thy customer" laws to crack down on money laundering.

Question: To save money; I would like to incorporate a system (occupancy sensor, perhaps) that would reset heating and cooling to minimal levels when the tenant has left their unit/no motion is detected for XX minutes.