It really depends on your level of expertise. Some people have a hard time changing a tire. Fuel lines aren't really a big deal. It would be worth it even if you had to have a shop do it for you, if that is really all that is wrong with it. Next question would be... what part of the line is bad? Is it fuel injected? If not, you can hook a hose to the fuel pump and at least run it out of a Pepsi bottle long enough to make sure it runs right and doesn't have other problems.