I have stated there are many layers to sales positions and not are created equal...
0 salary 100% commish, roofing sales, window sales, insurance sales, real estate, etc...
24k-40k salary- churn and burn sales-- local telcom, advertising(living social, reach local, etc)- 1 call 2 call close monthly quota biz, small medium size biz
45-65k salary decent sales gig good opportunity for a career building position- longer sales cycle 90-120 days
65k-85k ok salary, career salesmen, seperate the pretenders to performers, longer sales cycle, intermidiate on complex solution, proven track record
100k salary- large deals, long sales sales cycle, complex solution, different buyers, proven performer