As far as credit, you would want a score above 680 ideally to get the highest loan to value on a cash out refinance, but I would aim higher at 720+ as that comes with a significant rate drop.

Bridge Loan: A bridge loan could provide the $150,000 you need until your tenant-free property sells.

A foreclosure initiated by Ocwen won't touch your credit at all as you are in a second lien position and not a direct holder of the loan/mortgage.If the foreclosure starts you might be able to recoup the money or lose it.

In Ca many loans are done through fractionalization method which is not that common in other states and illegal in some.

Year long lease typically, with subletting allowed to offset summer months cost to tenant.I worked out some high-level math: Assuming there is a 6 bedroom single family house for sale for 800k, and I can rent for 6k/month.Financing: 350k cash, 450k loan @30yr, 3.8%.Assumptions: 7% vacancy/yr, $4000/yr repairs, $10k/yr property tax, $4k/yr insurance, 8% management fee+50% first month rent on new leaseMonth-to-month breakdown: Income: $6000 Vacancy, Mgmt fee, repair, taxes, insurance: $2300Loan PI: $2650I'd take home ~$1000/month. 

Build equity while gaining experience as landlords.

Many people choose NOT to have this, because the administrator will then vet every investment you make to ensure you do not invalidate your IRA.Invalidating your IRA means that you've done a prohibited transaction and the entire account is then deemed as distributed to you.If you don't want checkbook control, then I recommend a plan administrator such as Equity Trust - www.trustetc.comIf you are sure that you're aware of all the rules around prohibited transactions and disqualified people (who you can and can't do business with), then a plan administrator like Sense Financial would be a good place to start talking.  

DIRECT MORTGAGE LOAN COMPANY6.

You can also trade up these properties quicker into other properties where you can force equity.

Conventional Loan How did you add value to the deal?