If I want to owner finance to someone who will be rehabbing how would you suggest I give him a break so he can buy materials?

Its a commercial grade type of product which has a faux look of wood, tile, bamboo or any # of materials, you'll see this in grocery stores, commercial buildings and a lot of newer residential homes in Wichita.  

You can't ask for a trial unless there is a controversy of material fact.  

That is, if you know the address, the material information (e.g. bedroom / bathroom count, year built), and the estimated repair cost, you should be able to do rough comps in your head, without pulling MLS data!

We gave him a deposit for the purchase of the materials ($1500) and he disappeared.

Welcome @Jordan Carty There is a lot of good material here.

If you're the seller you would want to provide disclosures of any significant issues concerning your property to a potential buyer when they're looking at the property, if you're listing with a real estate agent/broker then you should provide instructions in the listing agreement to make such disclosure in their written or online materials for the property.Making a disclosure of existing issues, or known potential issues that you know as fact could potentially negatively affect the property will reduce the burden of surprise during negotiations and mitigate the risks of potential future lawsuits. 

Tuition, books, materials, etc. 

If you really are interested you can get a consultation from a real estate attorney for a relatively small fee.I do not know the disclosure laws in your area, but where I live, if the property owner has taken reasonable steps to fix the material defense and reasonably believes the problem has been address, then it does not have to be disclosed.

Flat roofs are expensive to get replaced and do work on.On a 10,000 sq ft pharmacy building cost to replace is about 20k to 25k all in.Some of the older membrane materials dry up and crack causing leaks.