Do you usually drink wine every day?
DH and I bought a 2 bottles packages for a three nights cruise. We drank one of the first night, and ordered a bottle at Remy on the 2nd night to match our meal...
On the third night I wanted anything but wine.
We ended up with 1 bottle left after the cruise...
My suggestion: Don't order more wine right away. Start with drinking those you received as a gift and see if your still want wine after that.
Worst case scenario, buying a glass of wine or buying a bottle on board will cost you less... Or not much more than another wine package + corkage fee.
Invest in On Board Credit instead, to make sure you have the funds to cover the price of 1 or 2 extra bottles. If you end up not buying it, it's more money to spend elsewhere.