To qualify for material participation, you generally need to meet either the 500-hour or 100-hour rule.

I want to help but also don't want him to do something that jeopardizes his income so its a tough situation.

I tend to get questions or concerns outside of business hours, which make it tough and frustrating at times to provide immediate replies (although I do get back to the guests quickly)

. $2-4 per sf.Rigid Core Vinyl: This material is available in SPC (stone polymer composite) and WPC (wood polymer composite) types.

Quote from @Davin Manfredi: This is a construction material on the remodel or work done on the home, so I would say it would fall on you.

A builder’s risk policy is also worth exploring, as it can protect the property, materials, and equipment during your restoration work. 

Ask them to explain.2) They should provide you with the materials receipt, which you'll need for the warranty!

And folks from the mid west would say 3 to 4k  and some would say 5k with most folks thinking these days 10k is enough.. and then just as you say work the math backwards at 300 a month which is pretty tough to make if your max leverage and you have your answer of how many houses you have to own and manage.

Also, Buckhead is generally pretty expensive and when adding Condo fees, tough to cashflow significantly. 

The rules are not hard to follow and of course you'll need to plan for RMD's unless Roth but if you start a few years out this isn't tough.