I don't (and can't) have a static IP because I constantly move between several places, usually on mobile hotspot or stuck to LTE modem where in one of the place

I don't (and can't) have a static IP because I constantly move between several places, usually on mobile hotspot or stuck to LTE modem where in one of the places aı live there isn't fiber or VDSL, and my ISP doesn't offer static IP over LTE.