We install them on most basement sewer lines as well but they are a bit more expensive &/or time consuming for the install.Oatey PVC DWV Backwater ValveProtects low areas and basements from backflow or waste waterTight, waterproof elastomeric seal inside flapperHub fits DWV but can be adapted for sewer and drainHome Depot: $32.09

My model could be adapted anywhere. 

I would like to wait until this time so I can have money in the bank to allow for any of the uncertainties or emergencies that may arise.5 + year plan:Acquire more rental properties to start building long term wealth.That is what I have so far, I know this is a work in progress and the business plan should always be treated as guidelines and should have some room to maneuver as well as grow and adapt to the ever changing market.As far as how much money I would like to have in the bank, well I haven't come up with a realistic goal yet.

For the other 10%, you can use a pancake compressor and adapter on the washer supply and do what Steve said.

You must adapt to the market or change markets to what works for you!

Adapting your business model based on the market...I like it.See you around the forums.

Im sorry if you strictly follow anything you will fail. you must be flexible in all that you do in order to adapt and change to your situations.

I need to adapt and overcome.

My impression is that he's an adaptive operator who moves with stealth techniques, gathers intelligence on the situation of the mission, then resolves the matter with overwhelming tactical assets and firepower to complete the mission.

I hope to use this strategy most of the way, as I will be adaptable to another strategy if needed.