you can get a refund within the 15 day trial period.
We do offer discounts on additional licenses of Power Store
the following quote is from the Power Store FAQ page:
A: Yes, you can save the most if you buy multiple licenses at once as we offer 10% off two licenses, 20% off three licenses and so on - up to 50% off six or more licenses. Or if you prefer to only buy one license at a time, you can save 10% off when when you buy the second license, 20% off when you buy the third license, and so on - up to 50% off. Please contact Sales in order to receive your discount.