A hostel bed advertised at a strikingly low price often arrives with separate charges for a towel, a locker and breakfast. The unbundling is structural rather than incidental.
The advertised bed price is the marketing product
Hostels compete on a single visible number, the lowest nightly bed rate, which is what appears in search results and comparison lists.
Anything that can be removed from that number without losing the guest improves position in those lists, and position drives a very large share of bookings.
The result is a low entry price with optional additions, in the same way that low-cost airlines separated the seat from the bag.
Consumption varies enormously between guests
Some guests use a towel, breakfast, laundry and a locker every day. Others carry their own and use none of it.
Bundling those costs into the bed price makes light users subsidise heavy users, which pushes the headline rate up for everyone.
Charging separately shifts each cost onto the person generating it, which is more defensible economically even when it feels petty at the reception desk.
Dormitory economics leave thin margins
Revenue per square metre in a shared room can be reasonable, but the costs that scale with guests rather than rooms are unusually high.
Cleaning, linen turnover, front desk hours and security all rise with headcount, and a dorm turns over more people per room than a hotel ever does.
Laundry in particular is a real cost per item, which is why the towel charge exists so consistently across otherwise very different properties.
Social space is the actual differentiator
Hostels compete less on beds than on kitchens, bars, terraces and organised activities, since guests choosing shared accommodation are frequently choosing company.
Those spaces earn money through food and drink rather than through the bed rate, so keeping the bed cheap and the bar busy is a coherent strategy.
It also explains why a quieter hostel with better rooms sometimes struggles against a noisier one with worse ones.
Comparing honestly takes a moment
The useful comparison is the total for the actual stay, including whatever the traveller will genuinely use, rather than the advertised nightly figure.
For a traveller carrying a towel and skipping breakfast, the unbundled property is genuinely cheaper. For someone who wants all of it, a private room elsewhere can win.
Reading the inclusions list before booking converts a confusing set of small charges into a single number that can be set against any other option.