Hacker News Reader

I mean if you're using it for personal use, then you'll almost certainly not even approach the end of the free tier.

Free tier is 1 year or so? At least that is what Amazon tells me.

Lambda free tier is pretty generous. If it's not free tier the pricing is also very small relative to running a server to do this

Some of it is a year, some of it like Lambda invocations is perpetual.