The fees start the minute the tourist lands, and doesn't end until the minute they leave. Room taxes, gaming taxes, parking fees, resort fees, sales tax on everything they buy -- it's all cooked into the bill so the tourist doesn't notice.
That's why Clark County homeowners pay such low property taxes -- everything is subsidized by the resorts. The trick is to make the fees just a few pennies less than the market will bear and make them invisible.
Hawaii will likely go the "sledgehammer over the head" route with fees. Because they want to decrease visitor numbers.
I would much rather have one visitor who spends $1 billion than 250,000 visitors who spend $4,000 each. No traffic jams, less stress on the reef and much less litter that way.