Sydney is commonly cited as one of the world's most expensive cities to live in. While Melbourne certainly isn't cheap, it is widely considered to be more affordable than its NSW rival. If you're considering pulling up stumps and moving to the Windy City, you're probably wondering just how much money you'll save on day-to-day living. Here's an infographic that compares the key cost differences between Melbourne and Sydney.

Brief news items of note for Lifehacker readers, including: Tesla's Sydney Supercharger has closed down, Spider-Man: Homecoming movie review, how Apple is preparing for the death of the iPhone.

Despite the fact that they're ridiculously expensive, cities such as New York, Los Angeles and San Francisco are also hugely populated and growing. They're great cities with a lot to offer, sure -- but how much should you earn if you want to make the move?

Dear Lifehacker, My tenant gave the required 28 days notice and paid the rent but moved out before the final date. I did the final inspection five days before that final date and since he had vacated, I moved back in.

The tenant is now demanding that I repay five days rent since I occupied the property the next day, even though he had been happy to pay for those days and leave the place empty. Am I obliged to repay the rent or not?

It seems like a long shot, but negotiating rent is more common than you think, and according to insiders, it's always worth a try. You might be able to haggle a better price by offering to do your own maintenance.

No one's bought a house in Sydney for years, it's impossible. Everyone knows that. Melbourne isn't far behind and the rest of the country will catch up eventually. So with the population renting perpetually, who has it the worst? The best? Flatmates.com.au has the answer.

You might have heard the old adage "renting is throwing money away." It seems like common sense. You don't buy anything when you rent, but you keep to keep the house you buy. However, nothing could be further from the truth.

When you're moving out of a house, you can be faced with a tough decision: do you sell your home, or rent it out to someone else? It's a tough decision that can cost a lot in the long run. Personal finance blog Money Crashers has some suggestions on factors to consider.