It does depend on the actual task you are going for, but I have been using https://smartproxy.io/ for a while and they seem legit. High pool and does not limit nor threads nor activities. Suited my needs. Ah, and quite cheap actually.

Works are from Animal kingdom. So yeah, the oldest living animal in that way. Oldest bacteria is over half a million years old.

You can have both functional and fun. Dealing with cancer is a medication, but without a smile, you are pretty much only living on the medicational path.