A lower nightly figure can lose its advantage once the stay includes unavoidable charges. The useful comparison is the amount attached to the same dates, guests and room conditions—not whichever number is largest on the search result.
Build one total for each option
Use three lines in your notes: the accommodation and mandatory charges; taxes or government charges; and extras you actually intend to choose. Keep a refundable security hold separate from the expected final charge, while remembering that it may still affect the funds available during your trip.
Consider an invented two-night comparison. Hotel A lists accommodation at 140 per night plus a compulsory 25-per-night charge: 330 before taxes. Hotel B lists 160 per night with no additional mandatory hotel fee: 320 before taxes. If taxes and inclusions are comparable, the apparently more expensive nightly rate is the cheaper stay. Add breakfast or parking only if you will use them.
Understand what an advertised total includes
In the United States, the FTC’s Rule on Unfair or Deceptive Fees, effective May 12, 2025, requires covered short-term-lodging offers to display an upfront total including calculable mandatory fees. Taxes, government charges and optional purchases have specified treatment, and excluded charges must be disclosed before payment. The rule does not prohibit all fees or set a maximum room price.
This is US regulatory context, not a statement that every destination follows identical rules. For an overseas reservation, use the booking’s actual breakdown and applicable local consumer information.
Save the version you agreed to
Before paying, keep the final price, cancellation terms, room occupancy and included services together. If a charge is unclear, ask whether it is per room, per person, per night or per stay. Those small units can change the calculation substantially.
Repeat the comparison after changing travel dates or the number of guests. A previously sensible total may no longer apply. A clean booking note should let you explain why you chose the property without reconstructing several search screens at reception.