Sharing things, particularly money, can be tough. Be flexible and cool-headed and you should be able to work out any problem that comes up. If things get really heavy, maybe the tribe wasn't meant to be. You can always break up and start over again in new groups. There's no shame in that.
Meat is disgusting, unhealthy and evil, but on top of all that, meat is really expensive.
Meat-eaters spend two to three times as much money on food as vegetarians do. A cookbook is listed at the end that can help you get started. Children are expensive and time-consuming. Full-time working mothers spend as average of 45 hours a week caring for their children on top of the 40 hours they put in working to pay the bills. If you need cheap birth control, Planned Parenthood is a trustworthy organization that can be found in the yellow pages in almost every town.