Those are great options for rolling renovation costs into your mortgage.

Short term, leaving financing in place during rehab prior to resale — great strategy with limited risk to either party. 

I know BiggerPockets already has a number of great calculators, but is there anything niche that people are interested in?

Great move!

Any advice on securing financing for potential buyers would be greatly appreciated.Personal Experiences: If you’ve owned, sold, or rented out a geodome, I’d love to hear about your challenges, successes, and any tips you might have for marketing or managing this type of property.Thanks in advance for your insights!

There are a lot of rules to follow, but make sure you have a great custodian. 

Anything past that might feel weird.Good job going to your first one, that is a great step that too many people miss out on.

Great question, @Jeffrey A. !

It may require more work, more analysis and more time, but if you can find one great passive investment, I bet you can find 5 or 10.  

If you can avoid asbestos, lead, and old mechanicals you can get a great property.