If it can't be fixed, don't be too sad - it happens. In the meantime, hire some funky new skis and have a blast. It is surprising how important a good service is. It can be the difference between a good and a bad day's skiing, especially in icy conditions. Regular servicing looks after your skis and keeps them like new for longer.
New skis benefit from regular waxing to build up a good strong base.
In general you should tune your skis after each week of use. The simplest and easiest way to maintain your skis is to take them to a good shop. They will give you professional advice on what needs to be done. Ski maintenance is not so difficult to do at home, but it needs a lot of practice, along with a lot of equipment. It also tends to be very messy.