Or gives the product away --- a certain shoe company's gifting of footwear destroys the business of local cobblers.
1. below the competition - predatory pricing, dumping
2. same as the competition - collusion, price fixing, cartel
3. more than the competition - gouging, profiteering
All three are illegal. There's no legal way to set a price.
> then jack up the price when the competition dies.
That never happens, for good reason. Think about all the money a big corporation would lose trying to sell below cost to drive out a mom and pop.