Help - Deferred Maintenance is kicking my A@#!

[Account Closed]

I purchased a few properties that were sold with some deffered maintenance issues "baked in". 

As the new owner, I'm trying to get a handle on the issues so that I can achieve maximum cash flow. I want to transition to a preventive maintenance mode. (e.g Tighten all the plumbing etc.) 

Do you have a checklist you use for preventive maintenance? Or certain areas /systems in the house that attack as a group? 

Thanks