I've studied several YouTube videos and the process seems quite achievable, however my concern is that many of the products ask for "no countertop use" for up to a week after application. 

There is a police report and video evidence. 

GaryVee often talks about becoming the digital mayor of your town by creating videos interviewing local public figures or small-medium business owners in your area.

After watching YouTube videos on finances and investing, I knew that I wanted to diversity my portfolio with more rental properties ( got my first rental in GA at 23).

when i have watched videos about the 50% rule. why does he always include taxes into the expenses part,  then he subtracts the mortgage from the other half which includes the taxes again.

I imagine cameras are probably a better deterrent then the fence

Make sure the attendant wears a fluorescent vest to identify himself.Mount a camera and post a sign that the lot is monitored and protected to deter robberies.also handy to have a swipe device to accept credit cards for payment.

I would add annual inspection of each unit with pics and video.

Watch the video's on Youtube that BP and other's are constantly putting out, or listen to the hundreds of Podcasts that investors have.

Read books, listen to podcasts, watch info videos, and read on BP.