the marketing must be different than a $400,000 home- What aspects of real estate do the multi million dollar buyer look for, As opposed to a couple hundred thousand dollar home? 

It's also worth mentioning that I already have a good relationship with a wholesaler in town who knows other good contacts, and I am able to use some of these contacts as good resources for general knowledge and learning how it all works.I recently had to close my business of 9 years, and so instead of getting a W2 job or start some other "normal" business, I'd much rather prefer to have house flipping be my primary source of income. 

Some owners would prefer a clearly defined floor even at the cost of not rising to the highest ceiling.While I hate to say it, there are also property owners who lack either the time, knowledge, inclination, or skill to want to manage their property effectively.

Yes, preferably in mountains.

•Are there specific trends or tenant preferences in El Cajon that I should consider?

A couple of treatments worked for me.

My preference would be to rename that LLC and exclude the absent partner.

When someone else is on ownership (or deed/title) then they would need to sign a couple of things at closing to give permission for a lien to be applied to the property they own - but that doesn't mean that HAVE to be on the loan. 

I prefer to do online.

You should call a couple local banks to discuss the types of investments you may be looking for.Alternatively, a great strategy for someone just starting out is House Hacking.