I find it a constant puzzle as to why so relatively few developers take full advantage of technical support incidents. Two incidents are included with your annual developer license. Additional incidents cost just US$50 each, which you buy in two-packs.
Using Incidents
You'd think that at just $50, a price that's lower than most billable hours, developers would be all over support but many never end up using them:
Others carefully hoard them for the most pressing cases: