Have to agree with all the comments
It cost an arm and a leg to get there and even more coming home. Its like being 18 again arriving with no bank account, credit rating, driving license or insurance. With a 17 year old son my annual rate of car insurance on arrival was $10k per year. Whilst there I paid council tax on my SFA and my own home in UK.
Once established, the cost of living is good and the LOA covers things just fine
On return, my house which had been empty needed major renovation. Had it been occupied it would have been done tricklefeed. All the expenses such as car insurance, car tax, MOT, house insurance fall at the same time when you return. My car insurance is astronomical because my NCB has lapsed.
Am I loking for sympathy - no. Would I do it again - yes. But if you're looking at a US tour, start saving and go in with your eyes open.