Dell coupon code source?

So looking for best way to get a Dell coupon code discount?

1. Dell direct call…… But is it best to try mid month and then end of month of no calls come back in to get your business?

2. Internet search

3. Which companies get discount codes?

4. Student codes….. Ain't a student and need invoice :/

5. EBAY code/gift card but need to be able to select options of item from Dell purchasing

Expected highest discount?

Jbhifi have had 20% before on items

Can stack……