Added features in a property can identify you, it can be as simple as a custom touch on kitchen cabinets, a key stone arrangement outside, a custom door knocker, an igraved mantel or a decorative feature in landscaping. 

He owns his own company and it sounds like the company is pretty new although he claims to have a large contract with one of the bigger contractors.  

Clearly you don't want to go into it with the plan to learn the business then steal all of their customers but knowing the current owner's end game would be important from the beginning.

In my "day" job, I have 10,000 customers billed for services on a monthly basis.

I currently work in a customer service job, but know it cannot provide for my financial future.

Regardless of your claimed intentions, the question promotes ways of doing illegal dealings, doesn't even belong on BP!

The value you bring is the amount of clients you make on the buy and sell side Also for you you get access to many more customers by associating with a broker . 

Because the tenant has filed a complaint, if he evicted, she could claim retaliatory eviction.

Tenant claims that the faucet was leaking so he just tightened it up.

The only reason the the Mitsubishi and Fujitsu units claim to be efficient only down to -13 (Well, Fujitsu says -15 but they use the same standard test which measures down to -13...) is because the lowest test standard is -13F, in the real world they produce great heat at the absolute lowest temperatures Maine can ever experience.