I use Paypal a lot, I don’t know Square. Regarding question 1b I can’t help you, but regarding question 2: other currencies will be paid in that specific currency on your account until you withdraw it from your account. Then it will be converted to dollars following the rate of that specific day.
1. Any thoughts on mobile sales from either PayPal vs. Square for use of credit card payments?
a. Both have fees, yes.
b. PayPal recently did not give an option for Friends/Family discounted fees to a friend and I was charged a fee. Is it just send a "money request" or does one have to "send an invoice", Paypal had no explanation or advice. I cannot actually see the request that is being sent out and my friend did not have an option to check a box, when asked.
2. Have you used either while you were outside the US, using another currency?
3. Any other reliable company recommended?
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