You should always make a follow-up call about a week or two after applying, anyway. Just one call, asking if your application got to the right person and expressing excitement over the possibility of working there.

If by "honest mistake" you mean "stupid completely preventable mistake", then I totally agree with you. Rule #1 of résumés: Don't lie. Rule#2: Check your information for accuracy. Rule#3: Double check your information for accuracy. Rule#4: Don't mention that you're Team Edward.

But its ok to be team jacob?

But the mother did not know he applied to the jobs, so if someone says "Hi this is Erika from [company] and [number you do not know]" of course the mother would think they were telemarketers. My mom does not even listen to the whole message sometime.

You're not supposed to lie on resumés!? Well god damn it, I put 'I'm Batman' on every single question! What happens if they find out I'm actually really only Robin?!

There are a lot of things we learn from this website.

Most of it is just common sense though :p

And backup coursework on a memory stick every 15mins.

good luck indeed

Or attention to detail?

"Detail-oriented" is the most common one I see (seriously overused, people), and if I see that and a typo on the same paper, it's automatically into the waste bin. Sounds harsh, but if you put that and don't spend the 5 minutes to actually look at your work, why should I?

The mother shares no blame at all actually.

Yes.Lets jump the mother for OP's negligence..