Seller financing is a good way to start if you are looking to sell to your current tenants, other than that, you will need to run into a proper plan why you will need that and how long will it take you?

Or put in your interest rate here, and your loan balance there.The art is where I think most people struggle, and I don't think this can really be done without real world knowledge.  

Ensure that the cash flow from short-term rentals will cover your expenses.Ultimately, it depends on balancing location, property condition, and cash flow goals.

The lender clearly didn't communicate with you or set proper expectations, which is why it seems the expectations you have are inaccurate.Most lenders will NOT allow you to order your own appraisal/BPO. 

As someone who manages over 1,200 properties, I can tell you that proper screening is where professional property managers (PMs) really shine.Here’s why working with a professional PM is worth it:Screening Expertise:Fraud in tenant applications is more common than many realize.

You will need an attorney to properly structure the partnership and you will make sure you do it correctly.

It is correct that there is no limit, but some of the aggregators and securitizers who purchase these loans post-close have exposure limits, such as $10 million in unpaid principal balance.

If you've owned for at least that, you're good.If you do a rate/term refinance, where just the hard money balance is paid off, rates will be much better.

It's called a payoff statementif it's a big lender you will not buy the loan as it will take forever, you are better just paying it off. you then can foreclose based on the total balance owed to you which is both loans and any accrued interest. regarding fixing property or selling as is, that really depends and needs to be evaluated on a case by case basis 

You will need their advice on your state & local laws to properly proceed.