The goal is to constrain the growth of the ledger to match improvements in technology so that a current commodity-level machine can always fit the current ledger in RAM and the full ledger history on disk.
To submit transactions, an address must hold a minimum amount of XRP in the shared global ledger.
You cannot send this XRP to other addresses. To fund a new address, you must send enough XRP to meet the reserve requirement."
–Ripple.com
Therefore, the only way out in your situation is to listen to the previous author of the post and study information about cryptocurrency and commissions on the official website before investing.