Maybe video the interior before and after work (not sure about the legality?)

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

I watched a video about house flipping, and he said to secure a property before a hard money and gap lender.

Here's a quick video about Norman, OK.

I won't go into details here about what that means, but, would suggest that you check out their detailed videos that demonstrate how it works.4) It allows you to be able to immediately discover information about anyone whom you might be meeting with, before the meeting.

I did a YouTube video of it as well and was actually surprised how easy it was to complete compared to a typical government form

There are apps that can monitor a person's voice from video, recorded calls, or other sources, and then it can match the way you speak. 

Here's a quick video about a few in Texas and the Mid-West I resarched for you.

Or one of the literally thousands of books, videos, etc on this thing called the internet?