I know it will not be 100% accurate, but I want to be able to have a range in terms of prices for renovations, just from eyeing the property myself.

Many investors will do a duplex, make one side a long term rental while the other side performs as a short term rental. 

You can go after that.c) What does the Contract that you signed for the project have to say about 'Non-Performance'?

1) Rarely paying asking price or even "market price" for a property.2) Understanding how they may be able to reposition a poorly managed property for increased cashflow and value.3) Looking for creative financing, so they don't have to deal with a bank for a purchase loan.4) Understanding ROI, Cash-on-Cash, NOI, etc. and using those numbers to determine HOW MUCH they should offer on a property to meet their taget performance numbers.Funny, appropriate, recent interaction with a plumbing company.

We have agreed on a buyout price of $100K (initial investment) but he also wants me to pay all closing costs which was quoted $22K - That seems really high so seeing if this is accurate?

Would love to know who else in this post owns a STR in north GA and how they are performing. 

Next you want to form an LLC that will serve as the management company for your LLC and perform duties including rent collections and sign all contracts on behalf of the business.

It’s made tracking my finances accurately a real headache and has me questioning the platform’s reliability.

@Josh WellsRecommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

Accurate market analysis and conservative estimates are key.Underestimating Rehab Costs:Rehab costs can quickly add up.