There are only 2 ways to become a moshi member: buy a moshi member card at your local game store or buy moshi member cards online on the moshi monsters website. There are 4 types of membership cards: 1 day, 1 month, 6 months, and 12 months (1 year)
Houses are only available to paid Moshi Moshi Members. Non-members/Basic Members can not get houses.
You can not go into shops for paid Moshi Members unless you are a paid Moshi Member.
Only Moshi Members can send gifts but everyone can receive them.
You can not get anything without being a member on Moshi Monsters. Free Basic Members have limited access but Paid Moshi Members have access to everything on Moshi Monsters.
Both paid Moshi Members and free Basic Members can get Lady Meowford on Moshi Monsters.
There are lots of members of Moshi Monsters who have I.G.G.Y. You have to be a Moshi Member (paid) in order to get I.G.G.Y., so Moshi Members are the only ones who will have an I.G.G.Y.
There isn't a code. You have to be a paid Moshi Member. When you reach level 3 you will get a gift from the Super Moshi. Paid Moshi Members and free Basic Members will get this gift, but only paid Moshi Members will be allowed to become Super Moshis.
There are various ways to get the poster codes on Moshi Monsters. You can get some of the codes when you purchase Moshi Monsters items. Some codes are given as prizes. Some of the codes that can be used by all Moshi Members are listed in other Answers.com questions.
According to the Moshi Monsters FAQ, non-members (free Basic members) can have 500 friends. Any unanswered friend requests also count as part of that total. Moshi Members (paid) may have unlimited friends.
This would be a matter of opinion. Since Moshi Monsters has over 5 million members, it would seem that a lot of people do not think it is rubbish.
You have to be a paid Moshi Member to get items that are only for Moshi Members.
There are no cheats on Moshi Monsters.