Fitness is a good term and there are constant sales. FitnessByte.com was sold for over 3.5k a month ago. I'd value your domain around 1200 to 1800. In the end it belongs to the buyer so it could be even more like the domain i mentioned before.
Domain: EventPlannings.com
Location: NameCheap
Domain expires: Dec 13, 2023
Renewal: $14.58
Auction start: $10
Bid increment: $1 or higher
BIN: TBA
Auction ends: 48 hours after last bid or BIN
Payment: Paypal, Escrow, DAN
Push to your NameCheap account or providing AUTH code.
Domain: LiveCasino.pro
Taken extensions (dotDB): 130
Location: NameCheap
Domain expires: Jan 08, 2022
Renewal: $16.98
Auction start: $1
Bid increment: $2 or higher
BIN: TBA
Auction end: 24 hours after last bid or BIN
Payment: Paypal, DAN
Push to your NameCheap account or providing AUTH code.