Fixed Project Rate
Fixed price per project. Good if you have a well-planned budget and already have a clear idea of the audio assets you require.
Variable Full-Time Rate
Daily, Weekly, Monthly and Yearly. Good if you require a greater amount of iteration and experimentation than the fixed project rate allows.
Reduced or waived upfront payment. Variable fee payable per download/sale milestone.
Fixed Percentage Revenue Share
Reduced or waived upfront payment. Fixed percentage of revenue payable after game ships.