In return for their services they typically require 25% of the profit from the sale of the home. 

Typically we just wait until the houses can't sell with a Realtor to contact them. 

Historically there's been preditory sellers typically in the Northern cities buying up old wrecks selling on contract for deed and work for equity. 

Hello, how are private money lenders typically repaid for a BRRRR method transaction? 

I typically see a 7-8% pref if someone is offering one on a B/C asset.

In the San Francsico Bay Area 5000 square feet is a standard sized residential lot size except directly around San Francisco the lots are typically smaller than 5000 square feet.

Newbies don’t typically find the best deals that work in any market.

This will be typically in the 15-20% range (on total construction costs) for new construction, assuming you and the investor are not taking on a cost plus contract.Given your limited experience, I am not sure why you would be involved once you sell the lot. 

Roofing is one of the key jobs in this business, and the more you know about it yourself from a hands-on perspective, the more respect you're going to get from roofers, who tend to be the most clannish and arrogant of tradesmen because they do the most dangerous residential trade, although the actual work itself isn't typically as complicated as more highly paid trades like plumbers and electricians.

How much does cost typically to separate especially gas and heat?