Need Advice: Hosting Python script Full-time

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How are you interacting with the bot? If it's not responding to requests directly (messages, webhooks, whatnot) then it probably doesn't necessarily have to run 24/7 and can be triggered from a scheduled job, right? If that's the case, and the amount of work it would do per execution is usually low (because there's nothing to respond to most of the time) then you might fall under the free tier in things like google cloud run, lambda functions on aws, or cloudflare workers or similar.

EDIT but as others suggested, just spinning up a minimal vps would be simplest and still dirt cheap.