Mint SIM: Unlimited Talk / Text /Data with 10GB 4G LTE Data for $20.00 Per Month with 3 Months Pre-Paid

Mint SIM currently offers Unlimited Talk / Text /Data with 10GB 4G LTE Data for $20.00 Per Month with 3 Months Pre-Paid.  Here is a screenshot for reference.  Basically, you pay $60 and you get unlimited talk, text, and data with 10GB of 4G LTE Data each month for the next 3 month.  This works out to be just $20 per month, which is far below similar current