So, hardly any GBP sellers on Robosats but a lot of Euro ones, so I made an international money account with my main bank and converted some of my fiat to Euros.

Only problem is it's telling me payments to SEPA countries will take "up to 24 hours" but isn't SEPA supposed to be instant? Will def be a problem using it on Robosats if it takes 24 hours.

Might look at Revolut, I've seen a lot of bad reviews about the business in general but it's commonly used on Robosats and should be pretty much instant around the world since it's a transfer to the same bank.