Like a house afire.

In flames and soon to be a smoking ruin.

Fine and Dandy Geriatricians.

The cat's pajamas.

 But how they made a cat into pajamas I'll never know.

Tech is always a mystery.

Your own worst enemy.

 It's an open casting call for Worst Enemy.

Exactly like marriage.

No more horsing around.

 That's a horse of a different color.

As in The Wizard of Oz.

Small Business Administration.

 And they each get a W-2 to prove it.

There is generous profit-sharing.

No pain, no gain.

 Answering the ages-old question, cui bono?

Jingleism at its best.

Anonymous source.

 Not for attribution, on background only.

Boilerplate non-denial denial.