There are lots of JOBs that don't require selling at all. I think a lot of it depends on your interests, personality, and skills. I discovered very early that I will never be a good sales person

However I do have a current teaching certificate and right now I have a teaching job from home. I have also thought about online tutoring. Grading Tests for ETS and/or Pearson.
If you type there is transcription.
If you are an experienced computer programmer or graphics designer you can do this in a WAH contract position.
If your spouse can watch the kids there's always phone work such as telemarketing.
Proofreading occasionally.
Customer Service/Tech Support
Data Entry
Court Researchers
Blogging (usually need to have a blog updated for atleast a month before applying)
Virtual Assistant
Appointment Setter
Freelance Writing
Start an in home daycare
Seamstress-target those who need frequent alterations such as pagent families.
Photography
Travel Agent
I hope this helps or gets you started with other WAHM ideas :-)