> I don't think it's impossible Only a very small percentage of users are willing to pay for an online service, that's < 2% usually. It's also very difficult

> I don't think it's impossible Only a very small percentage of users are willing to pay for an online service, that's < 2% usually. It's also very difficult and costly to accept payments for small amounts and do the accounting, sales tax / VAT properly. Ads are comparatively much easier to setup.