At our club field the winds change on an hourly basis. A cross wind for a little while, and then take-off from left to right. Then the winds change and your landing right to left. Keeps everyone on their toes. I don't think any of us have a problem when it comes to having to take off and land in different directions on a dialy basis. I think we all get better at one direction over another. Not to say that you can't grease in a landing one way and not another, but you're more comfortable with one direction over another. Kinda like being right handed or left handed.