It's not an absolute rule but it is the decision of the majority of people. There are plenty of people who only want to be successful through their own efforts However, it's not an extremely long-lasting thing provided you're willing to put in the effort to attempt.
However, the majority of players are not patient and need to experience the thrill of playing. They believe the process of farming old runescape gold is a mechanical process which is why they are than willing to invest a small amount of money in order to get OSRS from a trusted site Gold and this is the preferred choice of many players.
From my own experience, I would prefer to buy osrs buy items from the RSorder site, due to the fact that the shipping is speedy and the security is high, and there's practically zero risk. It is also possible to try it.