I am curious to learn from others as well  :) I looked at GHL for my CRM but felt like it was full of features I'd probably never use and the cost was considerably more than what I ended up using: Monday.com.

Some rehab loans offer 90% of the purchase price and 100% of the rehab costs.

More units usually is better, but costs more.

Operationally, it's easier in multifamily and you'll have cost-saving opportunities as well when it comes to certain expenses.

They’re upfront about timelines, costs, and any hiccups that might pop up.

It's the cash you put in that's your cost for the property. 

The property offered a balanced investment opportunity—enough to significantly enhance its value through renovations, yet manageable in scope and cost.

Get replacement cost hazard insurance along with an umbrella policy of at least $1M, probably double in your area.

What are the pros and cons of each, and which offers the least restrictions, flexibility and cost savings for my intended purposes?

Hire an attorney to handle this, or it'll cost more and take longer than necessary.