Road Trip East Coast USA/ New England

Hey, My Name is Jenny, 41 years old from Hamburg/Germany. I'm planning a Roadtrip on the East Coast of the US (Start and End in Boston for 10 Days, maybe Stop in Canada for Niagara Falls. So far I don't have any fixed Destinations, the named Stopps can be changed ). I think that Roadtrips are more fun if you share moments (and costs😃). Maybe you are also interested to see the beautiful northern part, hopefully with lots of coloured leaves. I also don't want to spend a fortune in hotels because i'm a long-term Traveller😁. Please free to send me an Message😉 Or do you have cheap travel tips for solo travelers (for plan b)? Thanks. Jenny