I think PayPal is good to use for many things.
But, if you have a credit card, it's best to use that.
Why? You can do charge backs if you are not happy with your service.
It should be a valid reason, not just a change of mind however.
If you’re told you'll receive 50g and in fact you receive only 10g, you have a valid claim.
I don't know if you'll be in an ok position to get your money back if you paid with PayPal.
PayPal offers protection, but it's semi hard to win a claim with them.
Many CC’s have a no questions asked policy. If you do not get what you paid for, they reimburse you, period.
Plus, you get hard copies of all you purchases using your credit card.
If you have a question, you can call your bank and or credit card company.
Anyone ever try to call PayPal?