Depending on your financial background $1 could already be quite a bit. I'd prefer to charge just "not nothing" which should be below 50c for me. Preferably bel

Depending on your financial background $1 could already be quite a bit. I'd prefer to charge just "not nothing" which should be below 50c for me. Preferably below the costs of a text (costs ~9c here). The bigger problem however is what ever the procedure for signig up is. Even if it's just paypal and a webform for the mail.