Most margin loans and SBLOC are Prime + or FFR +, and the ones Im familiar with are 8-13% right now.The only other thing I can think of is that if you're a HNW with a good relationship with your private banking team, maybe theyll give your a personal line based on your net worth and assets with them.  

I personally would rather just continue with the second bank, why go back to the first one.

You need to up your standards or life as a Landlord will be very difficult.One violation and I would evict.

Budget these carefully into your overall project plan to avoid surprises.Rehab Budget: Ensure that bids are received from multiple contractors and that adequate reserves are made for cost overruns.ARV: Be conservative on your ARV since the appraisal concerns one person’s opinion.

Depreciation Benefits via Leverage: While you can't claim depreciation personally on IRA-owned real estate, SDIRAs can use non-recourse loans to purchase property.

I am not a realtor, so I cannot give advice as though I am one, but there are some guidelines that I have used personally over the years, with great success.

I have a salt water hot tub at my personal home.

These are usually from personal connections we have made through the years and the investors usually want proof of experience to participate in any deals.Can you recommend any lenders in particular for SBLOC product?

It's not worth hiring a lawyer but as you suggested, small claims court may be an option IF you hired them in your personal capacity OR if your jurisdiction allows LLC owners to go to small claims and represent the LLC in court (many, most?

From a personal standpoint I target 70% LTV for any investment I have that way gives me ability to sell it if I need too