I buy double wides on their own land (not in parks).  

First you should be reading and learning anything you can about what you want to do, about the area you wish to invest, and really have a wide outlook on your plans so you can piviot when it is needed.

They will post just a few, usually blurry and bad angle, photos of each home.

In terms of finding properties, it has its positives (most widely-used site) and negatives (harder to find "deals" here because the site is over searched with a lot of traffic).

Your income varies widely.

No doubt as real estate investors we get taxes coming from multiple angles...thank goodness for the mitigating deductions.  

How much do rents typically compress and how wide will cap rates get before you want to start deploying capital in the east bay?

She ultimately went in a completely different direction...literally-the addition is now out the side which maxed out 16' wide. 

A quart of rustoleum paint is about $9 and a 3" angle brush from the dollar tree is $1.

I would be surprised if you found many rehabbers in boston that troll this site looking for a lender.. or at least that would meet your requirements I suspect you already have those targeted and like  most of us in the business today we spend most of our time supporting KNOWN players to us.. instead of trying to cast a huge wide net and or train newer folks.