For conventional not more than 25% can be commercial. 

or more so new to flipping / investing?

Plenty of land to build more condos. 

This is the first time I’m seeing someone mention a 2nd position loan, I’ll have to do some more research on that topic.

Having phone conversations and making sure that your screening process is on point are much more valuable.

Michael - I agree "semantics", labels, can often create more confusion...

Insurance payout rates are, by law, very rich, and pay significantly more than you would probably pay under normal circumstances.Before you hire the roofer, I'd ask if they think they can cover your deductible. 

Build-to-rent in a community takes a lot more steps and I'd recommend you look to partner with someone else and do a lot more pre-work.

Then you can read a more in-depth book like The Book On Rental Property Investing by Brandon Turner or The Unofficial Guide to Real Estate Investing by Spencer Strauss.2.

Many more!!!