When the time comes to upgrade your phone, it can be both exciting and daunting: A brand new handset awaits, but which one? Dozens of new models are launched yearly to complement the older ones ...

It's important, though, to make sure it's actually time for an upgrade, considering vacuum cleaners are an investment ranging anywhere from about $150 to $1,500. Is it time to purchase new hardware?

When an airline announces their flight has been oversold, and asks if any passengers are willing to take a later flight, this is a perfect time to request both compensation and an upgrade.

Another good way to tell if you need to build a new gaming PC or simply upgrade is if your PC is quite a bit below the recommended specs for the games you want to play. For example, Starfield ...

but you can see whether a paid upgrade is possible. The best time to ask for a flight upgrade is right after booking, but if that doesn't work you'll still have a couple more opportunities to try ...