offers 5000SB when you sign up for:
Get SiriusXM Outside the Car for $8/month
Get SiriusXM Inside the Car, 6 months for $30
I couldn't find the deal posted. In my opinion 5000 SB is worth more than $50, so this is at least a $40 money maker.
FYI, you need to call-in to cancel. 1-866-635-5027 (Or) Use a prepaid (privacy.com) card to pay