Yes new players should be told that level of walls mean nothing it's the stuff on those walls....Only upgrade when your out of spaces or need to upgrade your town hall. So many players keep building there walls to like level 7 and 8 and only have a few thousand defenses on them. Take the time to build them up before you upgrade them and also get those troop numbers up. It's all a balancing act...you cant get to far forward without bringing up the rest. No point having a huge army with little food coming in. No point in having huge walls with nothing on them. Took me two weeks to max out the spaces on level 7 walls. But now it will take a large number to take them down. Hope this helps newbies cause if not they will just get ransacked after their first week...