Are there additional factors you think are worth considering?

I wrote this not too long ago about why I think turnkeys are a great option for newer investors-https://www.biggerpockets.com/renewsblog/turnkeys-...Hopefully that adds some info in for your to consider and anyone else reading this. 

After all, square footage is about more than raw measurements; it’s about how seamlessly the space integrates into the home’s overall living enviroment.If you’re serious about making that office “count,” consider checking local guidelines or even chatting with a reputable appraiser in the Phoenix area..from what I’ve heard they’ve handled properties like this before.

Interest Income: The interest income generated from owner financing is considered passive income and is not subject to UBTI (Unrelated Business Taxable Income).3.

I would consider your long-term goals.

Are there any recommendations for other land ed courses I should consider to get even more information?

I would seriously consider buying your first home.

For example it does not consider who pay the utilities, obviously if the LL pays all the utilities, the net is lower. 

With 4 properties in different location, you have 4 time more chance of RE appreciation.To maximize returns, leverage tax benefits like depreciation, mortgage interest deductions, or cost segregation while considering your ability to handle management demands and market fluctuations.

After a few candid conversations, they realized they could negotiate slightly higher rents by offering small improvments..things like better loading dock access or upgrading the security features..turning a so-so cash flow into something much healthier.When you break down your family friend’s situation, it might help to consider these angles:Selling and redeploying capitla could open up opportunities in markets where cash flow is a bit juicier.