Day trading in equities is not something to be gone into on a whim. If you are interested in trading equities as a day trader, you need to know the terms, have the ability to analyze technical information and have a significant amount of money with which to make your trades.
Do not become a day trader if your reasons for doing so have to do with a lack of funds. The unpredictable nature of day trading equities requires that you have money to cover your trades as well as money that is not tied up in equities.
Depending on the equities in which you choose to invest, you may be trading a couple of times in a day or you may be trading every few minutes. The idea is to get in on stocks that go up quickly. You will buy at a lower price in anticipation of the equities going up in price; then, before it goes back down again, you will trade it off. While vast amounts are not usually made in one fast trade, sometimes it is possible to make a huge lump sump in a few minutes of trading. For the most part, the profits you get will be from how many trades you make rather than how high the prices are for each individual stock.
Day trading online is a big business now because of easy access to equity trading and because a trader does not have to leave their home or spend hours on research in order to make a decent trade. Do not assume that because it is something you can do at home that it is not important to get some training.
There are some great programs for learning how to day trade equities available both online and off. Online, you will find ebooks, web seminars, and entire courses available for learning everything there is to know about day trading equities. The best advice for making money by day trading is to get some training, first.