Ask in advance what people want, balance things based on seniority, past holidays, etc. Also surely most people will answer their phone in case of an emergency

Ask in advance what people want, balance things based on seniority, past holidays, etc. Also surely most people will answer their phone in case of an emergency, if nobody abuse it. I remotely fixed bugs in cyber coffees while traveling in Australia years ago. Nowadays you can practically work with only your smartphone on hand.