Ventajas
They'll hire anyone with a pulse
Desventajas
They'll hire anyone with a pulse, train them poorly, then dump them in your lap.
You'll be underpaid for the work you're doing while being simultaneously overworked.
You'll have no management one moment, and the next they're breathing down your neck and micromanaging your entire day.
You'll be left working alone because of turnover or otherwise when your job requires a minimum of 4 or more people for things to be done on time.
You will not be thanked, given a raise, or a bonus for being stuck on your own and floundering. You'll just be told there's a light at the end of the tunnel and then given a useless untrained coworker who relies on you to do everything.
There is no upward career path in RTI, you can move sideways, sometimes, but you'll be paid the same.
The projects are scheduled and announced at the last minute with no thought of the employees or other work that needs to be done.
You will not be given the resources you need to succeed. You'll have to ask time and time again for the most basic equipment and information to do your job.