It's basically a "convenience fee", to "benefit" us, so that instead of having to spend money on incidentals such considering fitness room or internet, there's a required fee that lumps everything together.
Skiing may be the most popular activity to do in Bulgaria. https://WWW.Casertaprimapagina.it/2020/04/29/va-nella-direzione-giusta-cosi-il-credito-cooperativo-commenta-il-pacchetto-bancario-ue-per-incentivare-il-credito-alleconomia-e-alle-famiglie/