The WI Oneidas have a ton of money as well. They first started with selling tobacco and a small bingo parlor. They've now expanded to a huge casino with a hotel (a Radisson) and convention center connected to it. They own a bank, convenience stores/gas stations, and a number of other businesses. They've hired Indians and non-Indians. They've also entered into compacts with local governments concerning public services (water & sewer, fire and police--those are mutual aid). Heck, they even have a gate named after them at the newly remodeled Lambeau Field. The benefit the Oneida Tribe of Indians (WI) has is that it's located next to an urban area, not out in the boonies. And they are a political force, no doubt about it.
And yup, the WI and NY Oneidas did sue each other and it was nuts.