If you want to send your members a physical bonus (e.g. a postcard), you can specify on a per package basis, if Steady should ask for a postal address when someone becomes a member. To do this, go to plan settings and choose Edit > Advanced > Ask for shipping address.
How to ask for the shipping address of your members
Come raccogliere gli indirizzi postali degli abbonati quando devi spedire una controprestazione