At this stage I think it makes sense for me to generate income and build capital, so I might focus on creative wholesaling until I have the means to acquire a property I can flip and get the ball rolling.

If California were to roll back the taxes and regulations that have attempted to make Calif a renters paradise they would see this problem go away.

I also know that the interest costs on a HELOC might negate any of the primary mortgage interest savings listed above, but what if we are using the HELOC for the BRRR strategy and paying it off each time we roll those properties into a conventional loan?

As an agent if you represented a seller and the buyer was a week late and going to be even later (and you are not sure if they will ever actually close because they can just tell you anything without per diem or extra EMD), would you roll over and tell your client "well tough" or would you get them something for the failure of the other side to meet contract or at least a guarantee to protect them?

Well managed by current mgmt company, which I intend to keep for 10% of rent roll. 

One things I was disappointed to find out is that I can NOT roll ROTH IRA funds over and directly into a SOLO401K plan.

If you don't have much cash, you can roll some of the closing costs into the loan.

I'm seeing that you need to be a realtor for 3 years "full time" before being able to get your broker's license and I was just hoping to get the ball rolling on the PM end of things a lot sooner.

Some of the lenders will roll the points into the loan which decreases your initial costs. 

I’m planning on slowly building a buy and hold portfolio by rolling over any/all of the money I make with my investments.