That means I file 1099s to individuals , LLCs, partnerships, sole proprietor etc.- it really isn’t that time consuming or expensive. 

I'm looking for some input for best strategies to either partner individually with each investor and form an LLC to hold the property or, create one or more LLC's with multiple members with all of us working together. 

Foremost is my preferred carrier and they will take vacant properties all day long.

I don't know what your market is like, but I feel like highest sale price would probably come from selling them individually as single family houses to retail buyers.  

I would encourage you to find a group of like-minded individuals and hang with them.

Does each unit have individual laundry units?

If I were in your position, I would get pre-approved with your preferred lender and start networking with agents.

If you want to factor in utilities and furniture for the house, it's about 9-15 months before everything is paid for with the profits generated by each individual STR. 

The home sitting for 2 months because of hurricane Irma and busy I ended up rushing this individual in.

A young investor with an aggressive risk profile will prefer very different offerings than an older investor or one who has a conservative risk profile.