My mother recently bought a top-of-the-range MacBook that she uses for no more than an hour a month. Meanwhile, my father manages to run his entire business using a laptop that’s a relic of a bygone era, sounding like a Boeing 747 taking off. I know what you’re thinking: ‘Sarah, why are you telling me this? Because it highlights a crucial point (and I love a segue): having excellent systems is great, but they’re pointless if not utilised correctly and efficiently. Conversely, sometimes an upgrade is necessary to boost efficiency.”