It's easy to get caught up in the hype and frenzy of Christmas shopping.

Before you get started read our round-up of the festive shopping mistakes you shouldn't make.

Spending too much

Overspending is the number one mistake most of us are guilty of making during the festive season, but it can easily be avoided.

By writing a list of who you need to buy gifts for, what you want to buy and setting a budget, you can avoid spending more than you can afford and dealing with a financial hangover come January.

Cut Christmas costs (image: Shutterstock)

Paying interest

If you use a credit card for your Christmas shopping, make sure it’s an interest-free one!

The Sainsbury’s Bank Nectar Purchase Credit Card offers a market-leading 28 months 0% on purchases – giving you over two years to spread the cost of your spending.

If you have a lot of debt, then consider a 0% balance transfer credit card to help you shift it and freeze the cost.

Compare 0% credit cards

Missing ‘last order’ delivery dates

Watch out for ‘last order ‘delivery dates when shopping online for Christmas presents and food.

The festive season means services are going to be stretched so some things will take longer to arrive and retailers all have varying dates when they are willing to guarantee delivery for Christmas.

Spending over £100 on the wrong card

If you are buying high value gifts you should put the purchases on a credit card to get extra protection should things go wrong.

Anything you buy on a credit card between £100 and £30,000 is covered by Section 75 of the Consumer Credit Act 1974.

This rule holds a credit card company jointly responsible with a supplier if goods are faulty, quality is unsatisfactory and importantly if a supplier goes bust and the order never arrives.

This sort of protection isn’t available on a debit card, so it’s riskier paying for high value purchases this way.

Falling for scams

Watch out for scams when doing your shopping this Christmas.

Fraudsters typically target people looking for voucher codes and discounts via social media, email, text and Whatsapp messages.

You should also be careful when doing your online shopping as some websites could be dodgy.

Be wary of sites that ask for payment via bank transfer, entering payment details on a webpage without a padlock icon next to the ‘https’ in the address bar, prices that are unrealistically low and online shops you’ve never heard of.

Forgetting about cashback

If you’re planning to do a lot of your Christmas shopping online, you should check if you can earn cashback on your purchases.

Cashback websites like Quidco and TopCashback allow you to get paid each time you make a purchase with certain retailers when you shop through tracked links.

But it’s easy to forget to do. Luckily Quidco and TopCashback both have widgets that you can download that pop up to alert you each time you visit a site where you can earn money.

Signing up to a store card

You should be wary of retailers tempting you to sign up to their store cards at the till.

These are often confused for loyalty cards, which allow you to earn points in store but these actually act like credit cards, which give you the chance to buy now and pay later.

Unlike normal credit cards they are limited to use with one store or group, plus they tend to charge high levels of interest.

Unless you are going to take advantage of the offer and pay back what you owe after a month they’re best avoided. A 0% purchase credit card is a much better alternative.

Doing all your shopping in one place

A major blunder we we’re all guilty of when rushing to get all the Christmas shopping done is not shopping around for the best deals.

It might be convenient for you to shop in just one place, but you're likely to miss out on savings and spend more than you need to for things like food and gifts.

Use MySupermarket to compare your grocery shop.

When it comes to gifts don’t always assume Amazon is cheapest.

Use Google to search for the best deals and consider what offers you could use on the highstreet.

[Read more: Latest supermarket discount vouchers, codes and coupons]

Being too prepared

It’s a good idea not to leave everything to the last minute, but don’t be so prepared that you miss out on the sales in the run up to Christmas.

In November loads of retailers will slash prices for Black Friday and Cyber Monday.

[Read more: When is Black Friday 2016 in the UK and what deals will there be?]

Letting loyalty go to waste

If you’ve been racking up points throughout the year on your loyalty cards, don’t forget to cash in when doing your Christmas shopping.

The Boots Advantage, Nectar and Tesco Clubcard scheme are pretty rewarding and can really help cut your costs.

Not earning rewards

While cashing in on loyalty you shouldn’t forget about earning rewards at the same time.

This doesn’t mean spending extra, just getting rewarded for money you would have spent anyway.

The Asda Cashback Credit Card for example pays 1% cashback on Asda shopping and fuel and 0.5% cashback on all other spending.

Compare cashback and reward credit cards

Paying for things you can make yourself or get free

Christmas doesn’t have to be a drain on your finances – you can save a lot of money by making homemade cards, decorations and gifts.

These can take time but the effort will be appreciated and is more thoughtful than something you can pick up from the shops.

[Read more: Great Christmas freebies from cards to stationery to music]