I just bought few times and the grand total is about 1.5BTC and i used to trade and i've earned few dollars too.
Wow that's a big amount for getting your first whole bitcoin, I wish that I can try to do it. But I need to accept the fact that I'm not able to get one of it because I don't have enough fiat for buying it. So, what I'm doing is just trying to get some collections of btc and also in trading.
That is what i'm doing too, i still never had one complete btc in my wallet so i'm trying to earn and accumulate bitcoins to reach that target as i do not have enough funds to buy one whole bitcoins so i will try to reach that target by earning them myself.