Honey actually is a very good preservative itself (ancient cultures once used it to embalm dead bodies). There is actually no expiry date on honey if stored properly and keeping it in the fridge can cause it to become crunchy. If you like it the way it is, probably better to keep it in the cupboard.
If you usually go through a loaf of bread in a few days, it's always best to leave it out. Keeping it in the fridge will keep it from getting moldy longer however it will ruin the texture and flavour. The best way to preserve it long term is by putting it in the freezer, otherwise just keep it on the counter.
We've all tried to spread refrigerated butter over a nice piece of bread or toast. It just clumps up or rips the bread as we try and spread it. Leaving your butter out will ensure that it is easily spreadable all the time. If you want to preserve the butter for longer you can keep a portion out and leave the rest in the fridge and replenish the soft stock as necessary.
Stored in the proper conditions butter can stay fresh at room temperature for up to 2 weeks!
It is advised that ketchup and mustard be kept in the fridge after opening, however it is a needless task. Due to the acidity in them they can stay good out of the fridge for up to a month. However if you don't use them within that amount of time it probably is better to keep them in the fridge.
Depending on which country you're from you may want to take this with a grain of salt. Eggs in Europe do need to be refrigerated. However in the US it is recommended that they are. European eggs are processed differently than eggs in the Americas. And it turns out that if not stored properly Eggs from the US have a higher risk of developing salmonella.
We don't really know why, but all of a sudden people have chosen to keep their beans or grounds stored in the fridge or freezer thinking it will keep them fresher, longer. The opposite is actually true. Keeping them in the cold can cause them to lose flavor. They are best kept in a cool, dark place in an air tight glass or ceramic container.