Hello, thanks for your reply. I think most people agreed that the :conditional scheme was too complicated for this case and I dropped it. I could also defend that the prices moving on a daily basis was a western-centric approach. After that nobody voted for Kovoschiz answer on "/double" rather than ":double". Because I met other simple cases with only different prices (/bed and /double), I decided to keep away from conditional but stick to :bed and :double (as in https://www.openstreetmap.org/way/104966917) which are pretty self-explanatory. I read the Any tags you like wiki page and I thought it was conform