Try the products yourself before designing a marketing campaign for them. You might see something that you overlooked before, but now you can make it better. On the other hand, you might discover that the quality of the product is poor. If that is the case, ask yourself whether this is the kind of company you want to work for. Selling a crappy product might pay a nice commission, but crap is crap, and the company will fold eventually.
To maintain forward momentum in your network marketing endeavors, treat mistakes as learning opportunities. Write down the areas you failed at, and understand why it happened. By evaluating your past failures, you can determine which approaches are effective and which may require further development.
In network marketing, it can become a game to sign up more people. Concentrate on how you can help people as you go about your business, instead. Make that the core of your work.