You're way to early in the game to worry about advanced negotiating skills.

This is one of my favorite features of Bigger Pockets especially for asking specific questions.

Not sure if you can overlay a tile feature .

Sometimes that involves omitting features in favour of a more succinct experience - one that is more appropriate on a mobile device - but those features will probably be there on the "shrunk-down" mobile web site, should users need them.There are pros and cons of both native apps and mobile web sites, some of which you've correctly identified in your post.

I am new to the game and would appreciate feedback from people with experience in this kind of deal.  

Buy and hold is the long-term game. 

As a contractor and a RE Broker, investor and developer I should have been more in the game and taking notice of all the foreclosure yet remaining.

I am game.

This is one of my favorite features of Bigger Pockets especially for asking specific questions.

Insurance is a statistics game, thats how they rate your policies, and statistically speaking, with every property you have, new tenant, people over to your house...etc, you are diluting your protection and lack of need for greater insurance.