Make sure you change the sandpaper or disc often to get the best results and further reduce the amount of time the sanding project takes you. For most jobs, you can sand with and against the grain. Don t put too much pressure on the sander as you use it. This will only hinder its performance. Keep a firm grip on it but the sanders should be able to move freely. It will be more versatile and help you complete your work accurately. Regardless of the brand or size of router you choose to work with, it will have three basic parts the base, motor, and collet. The motor is actually located inside of the base. The bit of the router is held in place by the collet. There are several different bases to choose from. Amazingly enough, in some instances you will find the same exact tool with a different name and a different label. Everything else including the quality is exactly the same. Another area you will find a huge difference in is the price tag. Some manufacturers offer high quality power tools and then middle of the road power tools. You can insert 100 screws with one battery charge. The I-Driver is a power screwdriver, designed with a pivot head to get into very tight spaces. The Brute Tough drill and driver is very powerful and versatile. It can be used for a variety of projects. Bosch offers consumers something not many other power tool manufacturers have. It also depends on the types of materials you are working with such as concrete, metal, plastic, and wood. Do you want a drill that is fast or one that offers a great deal of torque? Maybe you need a drill that offers both for a heavy duty job? It is a good idea to evaluate what you plan to do with a drill both now and in the future before you make this decision. Drill bits and saw blades are the most common culprits. It only takes a moment to unplug the power source. If you are using a cordless power tool, you may want to remove the battery before you change anything on it. The inconvenience is worth your safety. Cords on power tools are another concern. Many power tool accidents have been eliminated by going to cordless power tools.