This site is an absolute gold mine!

They are worth their weight in gold as a real estate investor.

But if I can get it within the first 20 days that would be spectacular, and if the BiggerPockets community has the answer for this then it would be worth it's weight in gold. 

You mention COC and ROI, but your less experienced investors could take this advice (thinking that it is Gold) and lose a heck of a lot more than the x% they payout to a professional.  

Capital improvements do not include the following as set forth in the regulations: correction of serious code violations not created by the tenant; improvements or repairs required because of deferred maintenance; or improvements that are greater in character or quality than existing improvements ("gold-plating" "over-improving") excluding: improvements approved in writing by the tenant, improvements that bring the unit up to current building or housing codes, or the cost of a substantially equivalent replacement."

Only part of my strategy I'm unsure of is how to deal with an awesome tenant who treats your house like gold who simply cannot afford to go as high as the market will allow.

update outdated sink and bath fixtures (no gold fixtures), update cabinet handles. 

These seem like a gold mind to me in terms of cash flow, but I see several of them in seemingly good condition languishing on the market for months when more traditional homes in the city are under contract within days.For example, here's one such house I'm looking at that is very common around here:Asking price: $52,000908 sq ft, 2 BR, 1 bathNo garage, small lot, siding/roof are <3 years old and mechanicals are <6 years old. 

They are a gold mine. 

They are a gold mine.