I'd pay for one that aggregates SaaS ideas from HN.

Honestly, I'm a bit SaaS'd out. But maybe a live music streaming service?

The ability to never have to remember or update any password ever again. Kind of like Okta for the consumer I suppose.

How about a SaaS that finds strong leads for my business?

something that makes it easy to make anonymous transactions in Monero and get cash out with a debit card