If you stay on top of your maintenance then it's like any other part of any car. Also make a mental note when getting the car on the lift - always enable jack mode!
The level sensors are a little edgy at times ( had to replace 2 or 3 so far) but I wouldn't expect them to last more than 4-5 years given that they are made from plastic and have to deal with all kinds of weather and environmental punishments.
100 bucks a piece and about 15-20min DIY.
Overall, this suspension seems pretty solid and tough so you shouldn't worry too much about it....IMHO....
Every good driver has bugs stuck to his door windows - do it sideways ;-)


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