I would encourage you to think about the implications of not having the 1031 as a tool in your tool chest a year from now.

Thank you for the encouragement and resources!  

If you have a 50/50, then you use class, you'll just have to input all +/- on that class, and when it's dough dividing time, you just either pay a customer vendor or a class (you classify yourself as one class, or your equity).

As a MHI I would be thrilled to have a deal like this but I would never encourage a first time MHI to go it alone.

Thanks everyone for the encouragement and advise..

Others have a regular contract with an addendum for the seller financing terms.You'll need to determine the local customs with an Realtor or a lawyer or both.

Every day we have letters typed by us that we have our front desk associates address by hand in between phone calls & customers. 

Supposedly modular can save significantly over custom home builders.Does anyone out there have thoughts on this?

Thanks @Devan Mcclish and @Tommy D. for bringing this up.I'll simply echo and strongly encourage all permit-holding Short-Term Rental Property (STRP) owners to get involved in NASTRA, which is our local STRP advocacy organization. 

Anthony Boone , I would encourage you to reach out to local investors in your area, as laws and verbiage change between states.