No budget exists that will allow you to build a team of 100% 15yr+ pros to get your film done. Every animator on a film needs to contribute footage, but not all footage is created equal. Many shots frankly don't need a superstar, and other shots can't be done by anybody less than amazing. You build your team in sections accordingly. The percentages may fluctuate some, but in general here's how you build a team, going from most expensive to least expensive team members--
Read the rest of Keith Lango's breakdown, very interesting! Thanks Ting for the tip (took me a while to post this...).