Suggestion: https://wastef.money/#<post_id> for posts (# can be anything, like + or ~);

comments

you cant have hashtags in urls

You can lol, but they aren’t counted towards the link, they are a property. Anyways you could still use + or ~

yeah but i meant we cant do the redirects using #s server side.

anyhow, ~ sounds good

You could always do a client-side redirect!

client side redirect just to use a special character in a url seems a bit much doesnt it?

Yeah personally I don't see the benefit - you might be better off aliasing posts to something like wasteof.money/p/:post_id