You defiantly want legal protection as stated by @Max Wilhite@Jonathan Bock is correct about keeping it simple. 

Pro Tip: Use a simple landing page to promote your lead magnet, making it easy for sellers to download it in exchange for their contact information.Why It Works:Providing value upfront builds trust and gets motivated sellers into your pipeline faster.2.

Infill is simple, but not easy.

You'll find much greater difference in $$$$$ by refining your location/rehab/vacancy strategies instead of worrying about "how much it costs to borrow money" in this environment.Nearly all of my clients are more concerned with a simple and headache-free funding process, than the "lowest rate."

I keep it simple, i do not allow pets.

No kidding this is as simple as it gets.. just advertise that you accept shorter term leases and riase your price.. we have been doing it in Vegas for years..

I've helped many investors from simple advice over coffee to helping them through an entire investment.

Other than that, you can prepare a simple notice letting them know that you thank them for applying, however they did not meet the criteria, and you can choose to tell them it was based off of their credit, and or background or simply just say that the minimum requirements were not met. 

Given the scope of your work, a simple plumbing leak would not concern me, it's a $200 issue at the most and ideally, it's just another line item when you do rough in plumbing for the kitchen.Being in a Milwaukee suburb, I am guessing it's a 1960s ranch, probably with galvanized plumbing.

I'm quickly learning that getting a mortgage isn't a simple task.