If you can't afford a pro, then either you or someone else need to find the desire to learn it, other wise all your money is going to waste. You can buy the greatest equipment in the world and if you have the same desire to learn it as you do right now, then these pictures are still going to look the same. Especially for product photography, there is no simple, here's how to get a great shot tutorial, and its even more difficult to show someone who's not eager to learn.
Here's an idea, contact a pro, see if you can do a consultation with them, pay them to properly set up a "studio". As in put the camera on a tripod, dial in the settings, get the lighting set up and then all you have to do is turn everything on, and hit the shutter. It'll be a more perminant set up that you can't ever touch or move, but it may be the best and easiest option for you. This way you can snap the shot and your done. I don't know if any pro's would be willing to do this, but in my honest opinion, it's your best option.
If you want professional results, then find a professional. Thats the best advise i can give you.
Good Luck.