how much does the average blue collar worker have in savings?

Yes! Air Traffic Controllers at high density facilities earn between 100K and 150K with no college and no previous experience. They don't even need a blue collar - most just wear Tee shirts, shorts, and flip flops.

And how is this a problem?

i am planning to go on a long vacation this summer. No plans for saving :)

The idea behind squirt collars especially using citronella in the squirt collar is that the dog doesn't like the smell of citronella and helps to keep the dog from performing unwanted behavior. I myself use a Martingale training collar but of course it doesn't squirt or anything, it just a cinch ...

I think AP has it about right except for I don't believe 'airplane pilot' would be so high. -And 'Commercial Diver ' was left out

When it comes to calming "nuisance-barking", Citronella Spray Bark Collars are more effective than electric shock, a test by the Animal Behavior Clinic at Cornell's College of Veterinary Medicine has found. "Either type of collar can be a supplement or an alternative to behavior modification. The ...