Proud Owner of my Baby's Donor's Sperm!

Picking my baby's daddy has been stressful to say the least. My first pick ran out of vials, which forced me to find a new guy. I had chosen my first runner up and noticed that he suddenly was getting low on vials. Needless to say, I panicked, and needed to make a decision... fast- especially since my second runner up all of a sudden didn't have any vials left! I had always thought that I would order two at a time, but this didn't seem like a good risk since he was getting low and was retired. I learned about a "plan" the bank was offering which was to buy five vials and the bank will store them for free for a year, I get free shipping for my first shipment, and any remaining stored vials at the bank could be refunded for 50%. The last thing I wanted was to not be successful the first couple of tries, run out of vials, and need to pick a new guy, so I bought five! Yep! I am now the proud owner of five vials of sperm. Now, I have to decide how many vials I'll send in the first time-- two or three?