Re whether 13 is too young. My daughter wanted one from the age of 11 but was not allowed until 13. She loves it. It gets her up in the morning. It means she has money that she can spend on whatever she wants without me peering over her shoulder. They both have some elderly folk on their round...
My lad’s round is a joke. We are in Warwick and he delivers to all the houses down by the castle with gardens backing onto the river and a few town houses in the town centre. Reasonable places. https://www.rightmove.co.uk/properties/140413427#/?channel=RES_BUY