An Airbnb revenue forecast is a month-by-month projection of occupancy, ADR and revenue for one property, set beside comparable listings. Buyers use it to test a purchase, operators use it to check an arbitrage lease, and hosts use it to set targets for a live listing.
What I plan around in Fiji: Australian and NZ family travel; Denarau resort and marina demand; Wedding and honeymoon travel; Surf and diving. Guests I price for: Australian and NZ families on 5 to 7 night stays. Where I start: School-holiday premiums, dry-season pricing, and cyclone-season floors.
On Airbnb and Booking.com I set up PriceLabs or Wheelhouse with school holiday calendars from both Australia and New Zealand, dry-season premiums and wet-season floors, so the villa is priced for when families actually travel and not just by the island's weather.
The service in general is described on my airbnb revenue forecast page; this page covers how I apply it in Fiji.