Tell them if they don't, you will take it out of their security deposit and they will have to replenish their deposit.

Do nothing...the tenant isn't renting that area and has no right to dictate how you use it as long as it poses no security/safety risk to them. 

Long term security. 

Building out my portfolio with strategic, secure passively cash-flowing assets to continue to build leveraged equity.

I can tell you that you won't secure a REFI term longer than the term that is left on your lease. 

Sometimes it’s the smartest move to gain liquidity and to secure your position with your remaining properties.

While I'm not entirely discouraged, I feel like I've invested significant resources (LLC, website, domain) without securing a deal that generates cash flow.Any advice or guidance would be greatly appreciated. 

I’m curious, what’s been the biggest hurdle for you when it comes to securing funding for your real estate projects?

Well there's a reason they screen their borrowers, secure their loans with a first position trust deed/mortgage and charge a small fortune to make such a loan.

Investment Info:

Single-family residence fix & flip investment.

Purchase price: $600,000

Cash invested: $100,000

Here is an investment Flip Property I found for my clients in the highly desirable...