1. What's wrong with a "basic" script?

2. who "likes to pay"? Having a free option is great, no matter whether you're "non-technical" or not...

3. It's hosted on GH Pages. I think they're pretty okay on the scaling front, what do you think?

4. Technically yes, as in "they could switch off GH Pages and the API". Not sure how likely that is. Also, the redirections are saved as GH issues