On which sites is it profitable to spend/exchange currency?

Question

Fintech

The ruble has recently been strengthening, the dollar costs 63 rubles, and the equipment in stores is sold at prices as if they were bought at 70-75 rubles per dollar.
Rubles are running out, there is a currency that is time to spend. Can you tell me where it can be done?

Answer 1

инвестировать выгоднее
тратить только на образование и т.п.

Answer 2

Внутренний курс Вашего банка обычно наиболее приближен к текущему курсу валют.

Answer 3

revolut.com онлайн по форексу без маржи