Nearly half of the UK's major hotel chains are breaching regulations by not including VAT in headline prices online, according to Which? Travel magazine.
The operator of Holiday Inn and Crowne Plaza hotels, along with two of the UK's biggest online travel agents, are under investigation for signing a potentially unlawful deal to limit discounts on rooms.
Many holidaymakers will soon be jetting off for the summer, but before you go it's sometimes worth contacting your bank or credit card provider to let them know.
Holidaymakers heading abroad after the summer, or those who won't need their passport for a few months, should consider waiting till September if they need to renew it as the fee will drop.
Hundreds of thousands of passengers flying from Spain with Ryanair and BMI Baby who've already booked their flight will have more cash automatically debited from their card to pay for a rise in Spanish airport tax.