Ask me how I know.If funding is becoming problematic, then tell him to use that 50k, and when its 80-90% used up come back for another check.

If you determine that the numbers look good, make sure to check other sites to see if the comparable property is on multiple sites that may add to the numbers.  

Quote from @Timothy Franklin: @Trevor FinnI would agree with your breakdown, but why overlook a potential to run the 91k subject-to with a targeted 6 month hold for flip or 18 month refinance?

I always check around with other property owners, investors and ask them who they're using for their construction work and if they were pleased with the work. 

What about Debit Cards attached to a checking account?

So more Roth for way less in taxable income incurred. doing this is easiest in a Solo 401k if you qualify but can also be done using a checkbook IRA as well. check out this post that @Dmitriy Fomichenko made explaining this concept.https://www.biggerpockets.com/forums/51/topics/1223601-how-t... 

Double check financing before making an offer.

We have an event this Saturday Feb 12, 2022, you can check out the Bigger Pockets page for it here:https://www.biggerpockets.com/...The group's page on Meetup.com is at:https://www.meetup.com/real-es...There is a $5.00 contribution which you can do in cash at the meeting as well, it doesn't come close to covering the cost of the space but I may be able to get another space shortly. 

You picked a great community to join.. have you checked out local comps to gauge the market vibe yet?

Quote from @Sherry McQuage: Make sure to check the zoning to make sure mobile homes are permitted there; check for any hazardous waste designation for the area; will you need to have the parcels surveyed out in order to sell the size you intend?