Independent of Calendar Months
The account will be charged right after the upgrade. It will then run at least until the same day of the next month and will be renewed automatically uncless the plan is canceled in the account management.
The Challenger Plan is activated on 27.01.2017. The payment takes place immediately.
The plan will be active immediately and will run at least until February 26. Unless the plan is canceled before, the plan will automatically be renewed on 27.02.2017 for another month.
If the plan is not active immediately, there may have been an issue with your payment.
Please make sure your card did not surpass any monthly limit or check with your bank if there were any other issues.
In general Sellics accepts all types of credit cards.