Well, relatively cheap. You have some Comodo/Sectigo/DigiCert resellers selling for $70-$100/year. And it won't instantly skip SmartScreen (that requires EV wh

Well, relatively cheap. You have some Comodo/Sectigo/DigiCert resellers selling for $70-$100/year. And it won't instantly skip SmartScreen (that requires EV which is $300+) but it helps to establish reputation, i.e.: if you consistently release safe software signed with a cert named X, then SmartScreen and co. learn to give a good starting reputation to binaries signed by X.