Even with single-family housing, the density is high enough to support a supermarket and other stores that are visited at a rate of once per month within walkin

Even with single-family housing, the density is high enough to support a supermarket and other stores that are visited at a rate of once per month within walking distance, easily. Source: the town I grew up in: https://www.google.com/maps/dir/51.2413047,6.9602975/51.248182,6.9768629/@51.2462608,6.9656488,2688m/data=!3m1!1e3!4m2!4m1!3e2 https://www.google.com/maps/dir/51.2413047,6.9602975/51.2481... Population is 36,000 or so. I've added the walking distance from the outskirts to the very center, which is 2.3km. You'll note that there are supermarkets distributed throughout, usually within a few hundred meters. If you need anything special, it takes 30 minutes by public transport (https://www.google.com/maps/dir/51.2413047,6.9602975/K%C3%B6nigsallee,+D%C3%BCsseldorf/@51.2345467,6.8034804,21513m/data=!3m2!1e3!4b1!4m14!4m13!1m0!1m5!1m1!1s0x47b8ca3d06b68227:0x81883aefd77f96ec!2m2!1d6.779266!2d51.2220574!2m3!6e0!7e2!8j1628322060!3e3!5i2 https://www.google.com/maps/dir/51.2413047,6.9602975/K%C3%B6... ) to a shopping district in the next larger town, which has any type or brand of retail that exists in this country (Streetview: https://www.google.com/maps/@51.2254878,6.7800095,3a,75y,64.26h,101.02t/data=!3m6!1e1!3m4!1sgCUtbmOSmEj7fzVV20t-yA!2e0!7i13312!8i6656 https://www.google.com/maps/@51.2254878,6.7800095,3a,75y,64....)