The models aren't real adaptable to unseen future changes. 

If you need financial models Adventures In CRE has some. 

This model was implemented more to accomodate a high rate of growth in AUM as the labor market for accountants has been very tight for the past few decades.

Does the property fit our model?

I think what you have planned is more akin to the co-working / shared office space model like We-Work or Regus rather than the STR model.

I love the idea of a house hack model.

Purchase price: $105,000 Cash invested: $18,000 I currently have 1.38 acres of vacant land, this is split up into two parcels (.77 & .61), I'll be placing a 2020 model manufactured home on one of those parcels.

Purchase price: $105,000 Cash invested: $18,000 I currently have 1.38 acres of vacant land, this is split up into two parcels (.77 & .61), I'll be placing a 2020 model manufactured home on one of those parcels.

Purchase price: $105,000 Cash invested: $18,000 I currently have 1.38 acres of vacant land, this is split up into two parcels (.77 & .61), I'll be placing a 2020 model manufactured home on one of those parcels.

Short answer not very.Long answer, they can get pretty close (within 10,000 +/- ) on easy to value homes that have model match sold comps recently are in subdivisions where pricing is consistent etc.