When I swap token but failed, I still must pay gas fee or no need to pay

[system]

I just swap token and failed, 1 time I lost $100 and I try to swap again, and I lost another $100 again. so don’t know how to do. and very sorry about my poor in english.

[Belac]

Hopefully this video helps. Make sure to not change the gas limit, and it’s recommended you pick the “fast” or “fastest” option on metamask.

[Gooonline]

Thank you for this vdo

[Ion_YopYop]

@Belac

Make sure to not change the gas limit, and it’s recommended you pick the “fast” or “fastest” option on metamask

What makes the gas limit changed? I have seen that the gas limit changed from 134562 to 600000.