[buro9]

About $900 per month, which is non-aggressively asked for (a single button on a single website with no pushy messaging - just "buy the server a drink").

The costs are below this, in the region of $600 most months except when TLS certs and domain names roll around. I donate extras throughout the year to causes related to the one website that delivers the donations.

I do receive a few other donations from a few other sites based on "pay what you feel it is worth", and those amount to another couple of hundred dollars.

[Shindi]

> which is non-aggressively asked for

This just sounds like bad sales. If you aggressively asked for donations, some users will get mildly annoyed, but then the service can still operate - ie not shut down and users can get utility out of it.

[buro9]

If I had a need to be more of a salesperson I would.

But I'm fine just offering a non-profit social service.

[toast0]

There's reasons to pay for TLS certificates, but using Let's Encrypt might be worthwhile to tighten your budget?