After a few repairs this would conservatively produce $700 per unit.

This very well maintained single is Strathmore is producing $900 a month with long term tenants in place.

Successful wholesalers need a steady source of deals, which almost always involves setting up and running marketing companies to produce leads.

Wholesalers and energy producers also filled more jobs.

The OP is not a newbie.So here is what I believe about the San Diego market:Historically it has produced outstanding long-term returns. 

If you've ever bought a house for yourself, you probably didn't put together a spreadsheet of all the costs of home ownership (if you did, you're way ahead of the rest of us) - a SFH doesn't normally produce income, so it will always be in the negative.

If you are a real estate agent without a portfolio of your own buy/hold investments, please don't solicit to me.Not sure this idea is going to produce any sort of interest, but hey, it's what I have to offer :)

The high LTV results in even low appreciation producing outstanding returns. 

Most lenders in the commercial space don't really look at you as much as the property and the income it produce.

The right steps done repeatedly will produce the right results, period.  30 isn't "late to the game" unless you spend a lot of time of Insta and TikTok (which makes it feel like 22 is late to the game sometimes), but rather you are in a great position.