Nobody has sold indulgences for 500 years.
And Protestantism has practically nothing in common with any of the ancient churches of the East, except that neither of them are in communion with the Pope of Rome. 95% of what Protestants so strenuously object to in Catholicism is found in Orthodoxy, sometimes with much greater intensity.
For example: Akathist Hymn to the Theotokos. Scroll down to "Canon Ode One" if you don't believe me.
True, there was a lapse in the practice. But now, you can buy carbon credits to soothe your conscience when you use too much energy.