Questions about premium connectivity

Hello Together, the M3 has actually slipped into my shortlist as an option for a next car (together with a plug-in hybrid-elch) But I have two questions, which I have not yet been answered despite intensive search for forums and also at Tesla: 1. what costs premium connectivity in Switzerland after the end of the sample subscription for the model3? – “A Tesla does not need any warehousing costs.” but for this 150.- CHF data subscription makes you different invoice. 2. in my account I have electricity, but hardly any mobile phone supply. Depending on my cell phone, no reception. I can’t just pull WLAN from my apartment down there. What’s the minimum data connection what should be and what are the consequences if it doesn’t exist? Spring Warm Greetings Hobbes