He said he will be placing a mechanics lien on the property. 

I have a clause in my lease that states that the tenant is liable for the first $150 of any repair; with the exception of structure/ major mechanicals unless it is due to tenant negligence/abuse.They know they are on the hook for pests as it is due to them.

Just a reminder that our next Worcester event is this Tuesday 9/17, you can read the original post here.This is part I of "Estimating your Rehab in 20 Minutes" and includes Exterior and Mechanical Systems.

I have a degree in Mechanical Engineering.

Do you have a mechanism to terminate if they drag their feet and never develop after XX months?

This is a rule of thumb that keeps me mostly in the cosmetic / mechanical realm and timelines under 4 weeks.6.

I think you should be mechanically inclined, and be able to do a lot of the maintenance yourself, as if you need to hire a professional every time something breaks, you may not be making much money.  

I’m an aircraft mechanic for a major airline and if there is no bailout I will be laid off.

Most of the ones that will cash flow need a significant amount of maintenance or are close to 100 years old with minimal updates to the mechanicals. 

It's an attractive idea because you have a relatively small cash outlay, and the mechanics of a wholesale deal are relatively simple, but make no mistake - it is difficult to find long term success wholesaling, especially In UT.