You will have more than just seal problems- - - - -most likely the brake shoes will be saturated with oil, so factor in the cost of a brake job, both sides. It's also very seldom a hub seal fails without worn out bearings creating enough vertical movement to allow the seal to wear out. RUN- - - -do not walk away from any "mechanic" who would be willing to just change seals without fixing the other problems!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!