Well, I'm not at the moment to make critics to meat industry, but to share with you a way to turn second class meat (bad cut/round) into nearly first class meat:
Despite the devices he used are pricy on Amazon, I think there are more afordable thermostatus for water for such temperatures.
I don't think that the energy consume it's so much as one may think, since it will not keep water boiling, but will just keep the temperature around 55 Celsius.