The requirement for a notary to oversee the property transaction further safeguards the investment process, providing both parties with legal protection.4.

Provide the supplies.

For on the ground evaluations, I rely on local contacts: agents, contractors, or even property inspectors to provide walkthrough videos and detailed feedback.

I'd be more than happy to provide you with a couple recommendations if you need?

@Sung Yu You can 1031 exchange your fourplex into a single-family home, provided it’s initially used as an investment property (rented for 1–2 years) to meet IRS requirements.

There are too many factors to consider to just provide base rates for what you're asking. 

The idea of “giving back” by providing the kind of experience you’ve appreciated as a traveler is such a fantastic approach and will definitely resonate with renters, especially healthcare professionals.Single-family homes and cabins sound like a perfect fit for what you’re envisioning.

My software provides me with that data so all I do is print it out and give it to may tax accountant. 

Gas-meter-gas provider.  

It looks like you are doing an affordable build based on the cost but hard to say since you didnt provide info on the build itself such as square footage and finishes.