Maybe not, but you might if you spring a leak and need to recharge. Alternately, you could buy it and sell what you don't want/need at a profit.
One thing about shipping this freon I was told you can ship it ( BUT ) if something explodes you are going to Jail with a fine, so I didn't bother to ship my 6 cans I gave them away.
All you need to do is label the package correctly and it will be shipped ground. Google to see label rquired,