To be "bullet proof," diversity is key ESPECIALLY when investing in one sub-market.

This is a very passive way of getting involved in real estate that provides fixed returns that are usually higher than the stock market.Those are a few ways to get involved in real estate in a more passive role. 

San Diego is very tenant-friendly so make sure you know what’s involved.

We’ve decided there is too much risk involved with where our house is located and given the above questions. 

Are there any friendly strategies you would try first to ask them to leave before getting the lawyer involved?

If they want to micro-manage their investments and be involved in every decision or know every detail, I'm not the right guy for them.If your owners demand to know all the details, it demonstrates a lack of trust which means they are micro-managers or you haven't proven yourself yet.

My long-term strategy involves using the "stacking" method for the first 5 years, acquiring multiple duplexes/fourplexes to maximize my return on investment.

This means they could require you to repay the entire loan balance.People involved in the loan business will often say this situation never happens.

If not then you may need to get legal involved but You should also contact your insurance company as wellAs a rule of thumb, never drain water into a home.

Employment/Economic Diversity/Demand DriversNow if you can buy a house let's say 4-5 bedroom and have your kid live in one for 4-5 years and is the kind of kid who is responsible and a hard worker and a good networker and can keep the bedrooms rented for the next 4-5 years, there certainly could be an opportunity there.