What a racket they have going there! I'm pretty sure the credit wouldn't cover another single purchase w/o plopping down more money?
I'm no expert at this, but could you dispute this w/your credit card company since you didn't receive the complete order? Or, is the fact that they sent something let them off the hook.
Honesty, it's experiences like yours and one that I had a few years back that keep me from ordering livestock online (except for Live Aquaria). j
I refuse to join any club that would have me as a member.
Groucho Marx