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Last week we wrote about how you can win 10,500 Avios (or £100 TopCashback credit to spend on whatever you like), courtesy of InsideFlyer and TopCashback.

Entering is easy and only takes a minute or two, but did you know you can boost your chances of winning significantly?

When you enter, you’ll be given a personal referral link to the promo page that you can share with friends/family/colleagues/etc. Every time someone clicks on your referral link and then participates in the promo, you will earn FIVE additional entries.

If, for example, you refer 3 family members who then participate, you would personally have 16 entries (1+15) and they would have 1 each too – so as a family, you’d have a massive 19 chances of winning rather than 4!

If you’ve already entered, you should have received a confirmation email with your personal referral link included. Alternatively, when you enter, you should see your link at the bottom of the page like this:

If you want to improve your chances of winning, get sharing!

Bonus 1,575 Avios (£15) for ALL new members

Even if you don’t win the main prize, all new TopCashback members can bag an exclusive 1,575 Avios (£15) bonus with the first purchase via TopCashback, just for signing up through the InsideFlyer link.

Note that there are some retailer exclusions for earning the bonus (full list at the bottom of the page here), but with thousands of retailers to choose from, you shouldn’t have any trouble finding something suitable!