I would also tell you to be extremely careful when doing contracts with builders. 

@Matthew Mclean It's totally your call but my advise is to read the contract that they'll make you sign.

Maybe a property or two they'll do the whole comp analysis with the contracting bid and deliver it, but if you pass twice do not expect them to answer much anymore.I use wholesalers for 85% of the deals I source. 

Many people in tech with tons of smarts and funding have also tried to do what you are trying to do. 

Quote from @Michell Chase: The signed contract states a deposit was collected, so I would make that part of your purchase agreement.

Maybe you could get your City Council members to contract with lead pipe replacement specialist contractors and just add it to your city taxes or something???

Wholesaling is definitely a learning process, but here are a few tips to help:1.Build a reliable list of cash buyers.2.Research the areas you want to focus on.3.Get comfortable with contracts and paperwork.4.Focus on negotiating great deals with sellers.5.Stay organized and keep track of your leads.6. 

., contracts, blueprints, reports, scanned records, etc.) while managing access permissions for teams and individuals.2.

Like in our area, most of what I see hit the MLS there goes under contract quickly, so would be nice if you can find someone selling off market. 

Both tenants moved out while I was under contract to purchase.