Re: what does it cost
Just a word here. Are you sure the wheel is the culprit? The Jaguar is a decent little bike, I have two of them but they don't come with the best quality tires. Both of my Jags have lumpy tires that could easily be mistaken for out of round rims. Spin your wheels and watch closely for rim verses tire uneveness.
That being said the advice given above is solid. A spoke wrench, some reading and some practice and you'll be amazed with what you can do yourself.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"