Affiliate Marketing Secrets

Umm,I don’t know how to put it…..a niche is like …………….a habitat is a place of living…..but a niche…is something that helps that being prosper…..like,I’m a guy,I live in the hood,I went to high school,tried some sports,and found that my niche is running (I.e.cross country and track),I’m good at it

I have a project due and it asks for the ecological niche of a mallard. What does that mean? I thought it was reasoning for why the animal is so successful, but after reading the bio online definition for ecological niche, I got confused. Please help and examples would help too.

I want to start a new site and would like to know what earns best when using adsense.
Maybe Iphone covers, electronic gadgets, biblical stuff? Anyone knows?
Also, not just the best paid, but also with a decent volume of advertisers.
Thanks!

I’m trying to get some information about creating a social network with buddypress. I’m not talking about creating another Facebook but my site would be more like a linkedin website for a niche community. So I would have features such as profiles, messages, employer page and employees page, contacts, chat. Is buddypress good platform for a website like that?

What’s a niche like a theme I like superheroes

I’m am looking at possibly opening a shop to sell various things such as magic, pokemon, yugioh cards, and many other things. For something like pokemon cards, they usually come in an outer box, then packed in a plastic sleeve. My main question is for an item like this, where is the security part in the packaging (if it has it at all)? I would prefer to sell them inside the sleeves only, but if the security portion is in the box then I would need to sell it in those.