Go down to the bone as long as you have consistent income.

If the answer to both added questions would be "yes", then you have a potential goldmine here.Combining the seller's concerns, and the reality of a big down payment being a negative to the seller (see Q: 1), you should be able to set the terms, with a lower DP, and controlled interest rate, to have this property CF and,...be able to sell the package to another REI down the road,...as long as you buy this using an LLC (a new one). 

For my commercial properties, I refinance every five years, allowing me to continuously access the equity as long as the cash flow can support the debt service requirements.

As long as you don't need any immediate money from the sell of the property keep it.

How long a stretch does it run to provide proper slope to drain the water effectively?

Quote from @Chris Seveney: @Becky HoffmanI would not change the name of the LLC but do a dba so you do business as one name but legally your LLC name does not changeSo I would need to keep that LLC as long as I own that property?

Simple because I am buying and holding, and as long as you have a deal that make numbers work together, you will succeed.

We have had very good luck with Section 8 renters as long as you do the appropriate background checks like normal.

Usually an appraisal can be transferred to a new lender, so as long as it wasn't completed 90+ days ago, it should still be valid.

With a thriving tourism scene and steady year-round visitors, it’s perfect for short-term and long-term rentals as long as you are choosing an unsaturated asset class.