O2 mobile flatrate for effective ~1€ per month

  

• Unlimited calls to O2 network for free
• Unlimited calls to Germany land-line for free
• Effective price is 95 cents per month 
• Contract period for 24 months
• Offer valid for this weekend alone
• With Internet flat rate option, the price is ~6€ per month

Here is the deal

Tariff Details

• connection fee (reimbursed)
• You pay 20€ per month for 24 months. So in total you pay 480€ in 24 months
• Talkline will refund 240€ (24 × 10€ per month)
• eteleon will refund € 217.20€ in 8 weeks after SIM activation (one-time reimbursement)
• Total cost over 24 months is 22.80€ (480 - 240 - 217.20), i.e. 95 cents per month 

Here is the deal