I wanted to get better that investing, so I started off buying shares, some through tip offs and then some through my own "research" on those companies, and som

I wanted to get better that investing, so I started off buying shares, some through tip offs and then some through my own "research" on those companies, and some did well and some didnt...to get a better hold of this, I read Peter Lynch's books and basically, at the end of it all, the take home message from those books seem to be: "Trust your common sense in the domain you work in or are most informed about", "dont diversify" and "dont invest for short term gains".