I do this too but sometimes companies reject my replies because the from address isn't the same address they have on record. Maybe there's a way to make the "reply's from" the same as the "original's to" but idk.
With FastMail, you can select your wildcard as your "from" address on their web app, and just directly edit the `*` to be `<whatever>` and it will work fine :)
FastMail lets you change the from: address on the fly if you’ve set up a catch all.
And if you are not with fadtmail, there’s are several “multiple identities” add-ons for thunderbird (and recently a built in one, though it is still buggy) which let you add from addresses on the fly.