In essence, you are proposing to guard your collective investment pool. 

Only one of them was working, but this one had a good job as a prison guard.

I get all my properties covered through REI Guard - here you go:   http://nreig.com/

My father-in-law living in Costa Rica has a full time caretaker on his property when he's not there and a gate at the bottom of the road up to his house with an armed guard around the clock.

Guard your money and pretend you don't have it.Study, find a deal, make an offer and go from there.

I feel like solar sales people are a step below car salesmen.. has me guarded from the get go. 

Jay LenoWe must guard against the acquisition of unwarranted influence, whether sought or unsought, by the military-industrial complex.

I was assuming that was best (and morally right), but I had a guy ask me what the other offer was and I was caught off guard and didn't know how to respond.

The suggestions above are good one's when showing or viewing properties as a female investor...This is a also a concern for me as a woman when I am working on renovation jobs at a property by myself...sometimes early in the morning or late at night...Last year I got a rescued German Shepherd dog who I take with me anytime I am renovating a new property and she has become my eyes and ears (even for roaches and mice) and security guard (and nice company) during jobs.

Private Investigations security guard services.