Good Riddles

Question: I have no wallet but I pay my way.I travel the world but in the corner I stay.

What am I?

Question: A farmer has three fields. One of them has 3 bundles of hay, another has 4, and the last has 5. How many would he have in the first field if he combined all of them in that field?

Question: What word links these images?

Question: Mary gets in the shower, but surprisingly her hair is not wet when she gets out. How is this possible?

Question: A man was able to avoid getting stuck alone on a deserted island by forgetting to put one thing on the island.What did he forget?