Seen from above, one angler rows a drift boat while another fishes from the bow on a broad river
Photo credit

Fly fishing the Rogue River from a drift boat, seen from the pedestrian bridge at Grants Pass, Oregon. Photo: Rob7 24, CC BY-SA 4.0, via Wikimedia Commons

Plan the trip, day by day.

Pick a destination or anywhere else, lay out the days with guides, waters and the places beyond the water, then budget it in your own numbers. Estimates, not quotes.