with new bct update to become a full member need 100 merits and i still have only 10 merits. What is the best way to earn merits
well, you should be knowledgeable enough to get merits, if you know nullius then you will idolize Him. LOL. he receives a lot of merits because His post are quality and helpful. Try to search for him so you'll get idea how to get merits easily, Giving you a formula to study.
Knowledge + Crypto information + Constructive post = merits.
Simple Formula, i hope you can evaluate yourself.