That really depends on where you live. Where I live there are no taxis, no public transport, no shops or services in the village - you want anything, it’s a minimum 30 minute drive to town - which includes collecting your mail, as they no longer deliver here.
And yeah, it falls on neighbours. Pretty much every day I give one old lady or another a ride to town and back. It’s a pain in the ass, I am not a fucking taxi driver, and I end up sitting around with my thumb up my ass waiting for whoever to finish whatever their errand is.