Buy low, sell high.
Transactions fees are dependent entirely on how the brokerage charges you. Generally, most brokerages charge a flat fee for each trade (warning: a buy and a sell is considered two trades), like $7.95 (for a total of technically, $15.90).
As for how much the price can fluctuate, nobody can tell you this. You're literally asking whether a stock will be profitable. However, if you're wondering whether the stock's price may change after you set an order and prior to it being filled, that's generally dependent on the hours the market is open. The price can change in any fashion during open market hours (which is when you generally set your orders).
American stock markets are open during 9:30 AM to 4:00 PM. Pre-market and after market trades don't occur much, so price does not change during that time (it really only changes in special events, such as earnings announcements).
There are a lot of catches. You'll have to look them up. But generally, expect to lose everything if you have no idea what you're doing. And yes, you can go in debt, if your trades turn out to be absolutely awful.
There's no way to gauge profitability of a market. It's entirely how you trade.
Trading platforms are available from third-party companies, and also your own brokerage (usually). Most brokerages allow alerts to be set.
Go to a discount broker,(Fidelity, Scottrade, Schwab) open an account and buy stock for about 6 to 8 dollars per order. When you sell, you would pay the same amount.
For most people, (frequently) trading stocks is little more than gambling. A loser's game.
Invest like Warren Buffett. Buy (high) quality and hold for decades. Guaranteed winner.
Go to Yahoo Finance. Read the articles. Follow the links. Everything you need to know is right there.
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Lets say I buy 100 stock of company A, do I pay a single buyer fee of about $10 or is it per stock?
Now once I have the stock and decide to sell how much can the price fluctuate if the stock is in high demand before the sale goes through online and how much would I get charged for selling say 100 stock of company B?
Are there any catches to trading stock online?
Is the market green enough to be profitable at all for small investments of $1000-2000?
What are some good computer programs that offer stock tracking and are there any that can notify me via email or text message if say a stock hits a certain price?
Thanks in advance, best answer to anyone who helps me the most.
