Need to customize OSC (or similiar open source cart solution) to do the following
1. Product will include 2-3 options.
2. User to be able to custom order, i.e. add or subsitute item from product package
2. when sale is completion order to be faxed
3. authorizenet or other payment module to be integrated
Please provide examples of OSC customization to be considered.
More information included example site will be provided to qualified developers in PM.