Dropshipping is good for some and not so good for others. It just depends on finding a good dropshipper and what you are wanting to sell. You said you have 3 kids so dropshipping may be a perfect fit for you. It is very simple. You simply list your product for sale at the price you desire. Once someone buys your item you will go to your dropshippers website and purchase the item you just sold at the dropshippers price and pay for shipping. The money left over is your profit. Once again your profit margin will all depend on what your selling, the price your selling it for, your dropshipper, and any fees. The only downside I have seen with dropshipping is out of stocks and sometimes slow shipping.