What types of jobs have flexible hours?

I currently have an unpaid internship I am doing, so I'm looking for some paid work that can fit around that. Does anyone know of any job types that tend to have fairly flexible hours? Or jobs that tend to hire people to work on weekends? Even remote jobs (although that might be too optimistic...)? I've worked as a brand ambassador before and the hours were pretty great, but I'm having trouble finding a brand ambassador job so any suggestions would be great. Thanks!

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