How much is too much? Or what's the maximum a price should increase?

When you get older and start to buy your own things, you begin to notice prices increase over the years. How much more would you pay for exactly the same thing or sometimes even less? Even if everything went up by ten cents, it all adds up when put together. For those who prefer a quick summary, everyone has their own thoughts on how much an increase should be before they switch to a competitor.…