Easy enough to derive PI from that, but how do you find TI (taxes, insurance)? 

The value of an investment property is derived from the NOI, so the higher the NOI and lower the cap rate, the higher your property will be worth.I agree with the other comments above and would recommend you speak with a local Commercial Broker and get a broker opinion of value to sell as a leased investment. 

mortgage lenders can only consider income that is legally derived and, when required, properly reported as income on the applicant’s tax returns"...I take it that your rental income DOES fall into this category?

The benefit is typically derived when the property increases in value within that time-frame, or the property was priced low to begin with.

Generally speaking no, but most of the wholesale deals derive from distressed homeowners due to their wiliness and motivation to sell."

Residential loans do not allow LLC's, and whether the income is derived from a self-employed business or you're employed, it must meet the Debt-to-Income requirements of conventional financing. 

I've seen ratios/CAP rates etc here on bp, but not sure how all of this is derived.

Also, i am so new to this - would you mind explaining how you derive vacancy numbers and cap ex and Ops?

Preferably near or on a lake (Lake Lavon, Lake Dallas... ) .and more...Once you define your target buyer you can derive your target seller and have a laser focused marketing campaign vs. casting a wide (and expensive) net.Good luck!

If you have a partnership or formal business arrangement whereby your compensation is derived from or increased through profits, then read below:I have been told at least three attorneys from three separate states, Florida, California, and Arizona that if your an agent representing an dependent party such as a buyer or seller, you cannot represent yourself too.