1. live in mississippi 2. from 5 to 10 mph 3. i would like to go about 5 to ten miles sometime , and i would hook up a solor panel to batteries i hope.. 4. mostly flat , but if need to, ill push my bike at times up steep hills .. im thinking about a push cart with an 24 volt 250 watt motor , dont know much about controlers batteries or throttles , seems pull trigger would be idea so i wont have to mess so much with handel bar grips ,, thats why i am here planing first .. i have a cart i am just pulling it for now ,going rain today and got it inside lol thank you !