Congrats Philip. This listing looks great. It will take time to get bookings and to get higher on the Airbnb algorithm. Sept is also low season in FL, and we are going through an over saturation of hosts in many areas. I agree with everyone about pricing. How saturated is your market and how closely are you following your comps? I love Pricelabs and work on it every day, tweaking with long and short term pricing strategies. It has been the answer for me. I also like to have my phone handy showing the final comp set pricing on the traveler view on Airbnb at the same time.
I think starting out slow is good. You can really focus on the feedback, tweak your product and I would definitely set up a system that can allow you to automate guest messaging. I use Lodgify but there are many others. Agree with the others, Airbnb is one platform amongst many. For the family market, you might want to do VRBO, Booking.com and you could also look at Furnished Finder to at least learn about the mid term market. Facebook groups are great for people asking about furnished homes to rent due to relocations etc.
I would say getting reviews is your main priority right now so if you can price slightly under your nearest comps to build these up it will help you in the long run. However, when it comes to peak season and holiday weekends keep a close eye on your comp set and go for premium pricing for far out dates. Good luck!