Every seasoned traveler has been burned by a hotel confirmation that doesn’t match the number they saw on the booking page. A $149 room turns into $180-plus once a “resort fee” appears at checkout, and anyone who has booked a Vegas trip more than once has learned to scroll to the fee disclosure before entering a card number. That same instinct belongs in any casino app promising free money to sign up.

The Resort Fee Trick, Reprised

Hotels didn’t invent fine print, but they’ve perfected it. A NerdWallet study of 160 US hotels this year found the average mandatory resort fee running about $33 a night, climbing past $50 at some brands. On a four-night stay, that’s another $130 to $200 nobody sees until checkout. Travelers who’ve been caught out once tend to check that disclosure box every time after.

Casino Bonuses Play the Same Game

A casino welcome bonus works on an identical principle: an eye-catching headline number, with the real terms sitting a few taps away. A “$1,000 bonus” rarely means $1,000 someone can withdraw. It usually means that amount has to be wagered a set number of times, on specific games, within a specific window, before any of it converts to real cash. Resources built around that exact comparison exist for the same reason a resort fee disclosure exists, to break a marketing number down into the deposit minimums, playthrough requirements and game restrictions actually attached to it. A hotel breaks a nightly rate into taxes, resort charges and parking; a bonus offer breaks down the same way once someone actually opens the terms page instead of skimming the headline. Reading that fine print takes less time than reading a hotel’s fee disclosure, and it matters just as much to the final number that lands in an account.

Why the Fine Print Keeps Growing

The reason this fine print exists at all comes down to competition. US commercial gaming revenue hit a record $78.62 billion in 2025, up 9.1% from the year before, according to the American Gaming Association’s annual survey of the industry, with online casino gaming among the fastest-growing pieces of that total. That kind of growth has pulled in more operators chasing the same pool of new players, and a bigger, splashier bonus is still the cheapest way to get someone to open an account. The offers get louder because the market got more crowded, not because the terms behind them got any simpler. More competition has also meant more variation in wagering requirements from one operator to the next, which is exactly why comparing the actual terms, not just the top-line number, has become a real skill rather than an afterthought for anyone who plans to actually withdraw what they win, not just claim it and forget about the rest of the paragraph.

Do the Homework Before You Land

None of this is really about being suspicious of hotels or casinos. It’s about treating a big number on a screen the way any experienced traveler treats a flight deal that looks too good, worth a second look before committing a card number to it. Anyone planning an actual trip to Vegas, where both of these habits collide in one weekend, gets a head start by reading up beforehand; our Las Vegas guide for first-timers covers the planning details worth sorting out before landing, from where to stay to what actually costs extra once there, well before the trip itself even starts. It’s the same groundwork that makes the difference between a trip that stays on budget and one that runs $200 over without anyone noticing until checkout, whether the extra cost shows up in a folio or in a bonus that never quite clears.

The habit carries past the trip. Whether it’s a resort fee buried in a booking confirmation or a wagering requirement buried in a bonus’s terms page, the number that matters isn’t the one in bold at the top. It’s the one three paragraphs down that most people never read until it’s already cost them something, and the travelers who make a habit of reading it tend to be the ones who come home having actually gotten what they were promised.