LOWEST PRICE: SodaStream Source for $46.99 on Amazon

Amazon has got the SodaStream Source priced at $61.99 but "clip" the $15.00 online coupon and that price drops to $46.99 with free Prime shipping. 

• This kit includes: Source Sparkling Water Maker, Mini CO2 Carbonator (makes up to 9L of sparkling water),  1 Liter BPA-Free Reusable Source Carbonating Bottle, 60 Liter mail-in rebate
• Features LED fizz indicator, Snap-lock bottle technology, and requires no electricity or batteries
• CO2 Carbonator Compatibility: 60L, which can be exchanged at several of your favorite retailers
• Carbonating Bottle Compatibility: 1L PET, 1L Source, 0.5L Source
• For troubleshooting and warranty information please contact a Sparkling Water Specialist at 1-800-763-2258