1. Auto-detonation software
absolutely essential if you don’t want to spend your nights running around a field like an idiot.

2. Heavy, heavy, public liability insurance
‘Of course,’ you say, ‘I’m properly trained, I’m well aware of all the safety procedures – what do I need public liability insurance for?’ Because the law says so, that’s why.

3. A secure, dry, licensed lock-up for your fantastic fireworks collection
Your rockets won’t go very far with a soggy taper.

4. A vivid and creative imagination
Not only to co-ordinate and choreograph a spectacular firework display in your head, but also to know how to entertain thousands of people who’ve come along expecting to see those spectacular fireworks, only to find it’s chucking down with rain.