sit down with the builder and identify besides lumber the increased building costsidentify what they earmarked for lumbermaybe you can shoulder the increase in lumber - you buy the lumber directlyand they shoulder other increasesseems a lot more fair100k increase does not seem rightnot sure the size of housego in with this approach while not threatening legal action but it is always an option hanging over this new negotiationyou can say that we agreed on a contract and you do not believe you did anything on your end to breach the contract - that is why I am reaching out to you 

We wanted someone to look over our shoulder and help us avoid making major mistakes as we started out.

Generally in our area you can 1. survey into lots and then sell at a wholesale price to builders and they shoulder development cost. 

It sounds like you have a good head on your shoulders which is a great start to real estate investing.

The man made some strange comments but he seemed more like a grandpa who didn’t know what was appropriate and I let it roll off my shoulders They come at 130 the next day.

Take your right hand and cross it over to your left shoulder...then take your left hand and cross it over to your right shoulder. 

@Ken Boone yes uplisting is head and shoulders above the rest as far as service and support go.

You and your friend will also have the benefit of renter helping to shoulder taxes, cap ex, etc. 

Maybe there a few that are head and shoulders above the rest?

Pay the price now and you'll have a huge weight off your shoulder when it's done.Another option is to hire a professional property manager.