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Mixers charge a percentage to do that, and even then, there is a worldwide shared log of the addresses that bitcoins go to.
Some advertise that they pay the girls 50% of the money and do it fast.
You could join in with others that already have these things set up as well.
When you sign up as a cam model through one of the major portals, like livejasmin or flirt4free, and they process all your information, charging customers, payments and have large affiliate networks of sites all sending customers to the portal.
Zcash, monero and some newer systems are working on totally anonymous methods of moving crypto coins, these are very new and not yet fully tested.
Direct to you payments put the burden of dealing with fraud and such on you for the most part.