So far I have not encountered merchants with independent payment gateways since I usually see CoinPayments. In my opinion, payment gateways are necessary to act as a secure and trusted middle-man for transactions especially for websites that aren't that well known.
I agree. Payment gateways, especially trusted ones easily help gain a customer's trust which increases the sales potential for smaller websites.
What's awesome about Paybear is that their fee stays the same whether you send $1 or $1000. The more money you spend, the cheaper they are if we compare it with Paypal, stripe, etc.
Aren't they currently in the beta stage? Will these fees change (be more expensive) in the future when they go live?