Real numbers- purchase 907k,rehab , closing costs, soft costs, 840k, all in 1.747 mil, basis for each unit should be roughly 291kappraisal of each unit minimum 400k , so 2.4 mil if for all 6.I might refi only 4 out of 6, that will cover initial loan amount.

Which increases paperwork & costs for little benefit - if any.4) You'll need an entity in the US.You need to discuss all this with a qualified tax professional or attorney.- For our clients, we provide consultations with a tax attorney that handles over 300 foreigners legal & tax needs.

Regionality and competition greatly factors into the cost structure.

My questions is about opportunity cost.

Assuming your property is in Utah (like your profile indicates), here's the state law from a basic internet search:In Utah, a tenant who abandons a rental property without notice is liable for the lesser of the following: The rent remaining on the leaseThe rent plus the difference between the fair rental value and the agreed-upon rentThe cost to restore the property to its original conditionThe landlord can also remove the tenant's belongings and sell them if the tenant doesn't claim them within a reasonable time.

Are there risks or hidden costs I might not be considering?

I understand they are planning to to offer recordkeeping and plan document maintenance services to Quest clients with no cost to transition. 

I own several hundred rental units in other states, otherwise I'd join you in helping cover the costs.

In reality it is costing you more. 

It cost us more money than we would have liked to have spent, but we were able to put a house on the market that we were proud of.