Are these differences so that people can make a profit and incorporate fees that are involved?
Examples from localbitcoins
12377 price/btc on localbitcoins if going through say a bank transfer
16562 price/btc on localbitcoins if going through say paypal
11200 price/btc on coinmarketcap
I know paypal transactions are known to have high fees, but why? and why such a huge jump like that? That is thousands of dollars in difference.
Localbitcoin work like a classified site where by you bid for a product or service and it good to always trade or buy bitcoin from user with good reputation score and high amount of trades on there. However, you can find the answer to any related question need to understand localbitcoin work on their
faq link.