I would also make tenants start paying water, as soon as their lease renewal comes up, with a flat monthly fee.

We have a single flat fee of $1,500 for all of our fees, including the appraisal/valuation.

I am also in Cincinnati and I did speak with True Home Ohio (https://truehomeohio.com) and they seemed to be somewhat reasonable except I believe they take a flat fee of $105 per door so depending on how much rent is for that door it could be cheaper or more expensive but their other fees I thought were very reasonable.

., hourly, contingency, flat fee)?

So, I DON'T trust my ability to determine someone's character based on a few minute casual conversation and I DO trust my ability to manage even difficult tenants. 

Bay windows or built-ins can be a subtle way of blending modern convenience with the character of Ardmore’s older architecture.

I never go off of a flat percentage on anything, I analyze the costs to get to a specific return I target and analyze the risk that is involved. 70% may be an initial metric to see if it is even worth pursuing, but every deal should be evaluated independently based on costs, time and risk involved.

I argue how would median incomes double in CA and lay flat or significantly lag in rest of country? 

Expect a 4-5 year down/flat market before a slow climb up.

Work out a fair revenue-sharing model, such as a flat lease or percentage of profits, and consider hiring a property manager for oversight.This post does not create a CPA-Client relationship.