That is great that you are starting so early in life...You can learn and grow from there. 

Out of state Investors who have appetite for the NY area market and surrounding should reach out. 

I've been working on a side hustle which is life insurance sales, and I've started to make decent income.

Then I work out an estimated rest of life (the building inspector did this as part of his report) and then I put in an estimated replacement cost. 

We also try to identify hot prospects in areas subject to waitlists for those that intend to personally utilize the property for vacation usages or rent mid term (30+ days) until a permit can be secured.

It will probably only get used during the winter. and I can see some maintenance issues too with all that moisture inside it would be easy to get mildew or mold growth started if it is not maintained properly and often. also it is traditional to follow up your time in the sauna with a dive into a nice cold lake (or pool), or at least you might want to have a cold outdoor shower nearby. personally I would spend my money on something like a hot tub before I bought a sauna.

Personally, I would give them notice of termination and start fresh with a new renter that I've personally selected, using my lease, at my rent rate.

all but the 10% of reno costs up front have personally seen that one.. pricing is for sure regional..

People buying for their personal residence are going to have enough for a down payment and be approved for mortgages-there are always people who seem to find money to do that regardless of prices or rates.

One person took a new cooling pillow and replaced it with their crappy old pillow.