Well ive been thinking of starting a blog and i was wondering how many articles/entries should i have written before i start? and would it be a good idea for my niche to be video games?
None. Most people as soon as their site is launched just keep adding content as and when. Also, gaming niche is ok but i recommend the technology niche, highly paid and you can include games in it.
but to include games into the site I think it is a bit hard for someone who has just recently bought it. however, gl.
no need to prewrite the article. you can do it after you create your reall blog and add one or two post everydays if you like or you can easily copy from other article directory like ezineartilces.com for free.