You can pause your subscription plan at any time to stop being billed for up to 3 months. Here's how:
Open your My Account tab
Select the Account Setting tab
Click 'Cancel Subscription'
Click [NEED A BREAK?]

Your SampleBoard subscription will be paused for 3 months, and no payment will be taken during this time.
When you're ready to re-activate your account, simply click [Change Plan] and choose your subscription - you will have access to all your projects again!
Once the 3 months has lapsed, your account will automatically be re-activated and recurring billing will occur as per normal.