[RealGeek]

I usually buy a $900 iPhone, sell it for $600 after a year, and buy the new iPhone for $900. So I spend around $300 to upgrade my iPhone every year.

I used to upgrade my phone after 3 years, at that point the phone becomes very outdated and it's worth is hardly $100. So it costs me around the same if I buy an inexpensive phone every year, buy an expensive phone and use it for few years, or trade up a new iPhone every year.

[jaxondu]

This strategy only works for iPhone which has great resale value.

[kayoone]

Works for Pixel too, but doing this with any of the other android brands would turn out more expensive.

[make3]

that's a lot of work

[TomMarius]

Anecdote: It takes less than 10 minutes. I call the local iPhone/Mac dealer, we agree on a time, they come, give me money, I give them the device and it's done.