I also just came across another 4plex in the same area that is cashflowing just over $1000 after all operating costs.

There are several ways to achieve this though, and you can check out this article to learn more.The fourth pillar is somewhat similar - you want to separate your operations from your assets.

And the way Bigger Pocket teaches investing those that follow core principals should be able to manage the hit with properties that are already own or atleast one would think so.Someone correct me if I'm wrong...

You should use either check out this article to learn more.The fourth pillar is somewhat similar - you want to separate your operations from your assets.

Run a virtual business where you operate primarily over the phone/online.

I feel wine country real estate operates just a little different than the rest of the Bay Area.

If you are attempting to simply work the renovations in over time, you run the risk of the rehab budget conflicting with your operating budget.

In other words, it was legal at one time the zoning changed and it can continue to operate until the non-conformity is lost.  

Following up on Michael's comment, your lease should state that tenants are not allowed to operate any business on the property.

Because I operate a business my goals would be to maximise rents immediately.