C an you buy anything useful and good quality for £20 or under? Yes, as it turns out. To prove it, we asked 14 experts in their fields, from a former Olympic athlete to a makeup guru, for their recommendations for the best thing to spend that money on. The Guardian’s journalism is independent.

We will earn a commission if you buy something through an affiliate link. Learn more. So, whether you want affordable ideas for how to make wine last longer or have a happier dog, or are looking for better home storage, the best cake tin or the nattiest men’s socks, these brilliant buys will enhance your daily life, and won’t blow a hole in the budget.

Bioderma Sensibio H2O is the only cleanser I use backstage and on set because it’s made for the most sensitive skin and yet removes every trace of makeup, even waterproof. I have bottles and bottles of it in my kit and all around the office. I wish they sold it by the litre! Pat McGrath , make up artist and founder of Pat McGrath Labs Buy: £10.

40 boots.com I use round cake tins from Silverwood several times a week. I love the edges – they’re perfectly straight.

They’re so much better than springform tins, because you don’t get cake stuck in the edge, and you get a nice flat bottom and insides. (With some spring form pans, you can get a little dip, because of the way the tin is designed.) These have almost seamless edges, which I just can’t get enough of.

Benjamina Ebuehi, former Great British Bake-Off contestant and au.