While yes mobile data is getting better (I'm in a similar situation to you paying EUR5 for 500mb per month) part of the problem is that of security. If you want

While yes mobile data is getting better (I'm in a similar situation to you paying EUR5 for 500mb per month) part of the problem is that of security. If you want to have a public access point then there should be ways in which you can do this but still isolate users and protect their respective traffic.