I would buy it
Если бы я был богатым, я бы это купил.
If I were rich, I would buy this.
Будь у меня достаточно денег, я бы это купил.
If I had enough money, I would buy it.
I would buy it.
Если бы у меня было больше денег, я бы это купил.
If I had more money, I would buy it.