A few years back, I thought I'd hit the jackpot when I scored £50 return flights from Liverpool Airport to Barcelona with a carry-on case.
I had diligently checked the baggage dimension rules and packed my items, thinking everything was in order - only to realise I'd made a beginner's mistake.
Although my cabin case was within the specified dimensions, I hadn't taken into account that the wheels and handle were included in these measurements.
Consequently, I was charged extra for both outbound and return flights - which significantly dented my modest holiday budget.
Read more on ok.co.uk