How do you keep the blade from hanging up in the wood?

You can do either. If you're learning you should start out on the ground and transition to the air. Build up your leg strength to make it easier.

It depends on your skill level. You'll want to start out slow and work your way up to going fast.

The trick is to go slowly, use a good sharp bit, and ensure that the section of material you are drilling is supported and will not bend, twist, or otherwise...

Not overly.

Use a furniture refinisher to dissolve the stain and scrub it away with a bit of steel wool. Although it still involves some scrubbing, this approach is less damaging to...

Yes. Having a concealed carry license does not get you past the state laws concerning knives. Most states have laws concerning the length of blade you are allowed to carry...

Yes it's a possible replacement. Try using different colored blades.

You can find X-Acto blades at any of your local hardware or craft stores.

It most likely is durable, but it mainly depends on the width and flexibility of the metallic ruler.