One morning I walked in to my bathroom only to find this!!!
My sink had departed from my counter top....
Obviously not installed properly.
Upon further inspection, there were no sink clips !!
I called the installer whose first response was
"it's out of warranty"
I replied that "it's only been three years and if it had been
installed correctly, this would not have happened."
They fixed it the next day, including the sink clips,
but left the plumbing because
"we don't do plumbing".
Fortunately we have a master plumber here who was
able to come the next morning.
My toothbrush is happily back in the bathroom.