Paul wants to get into 3D printing as a hobby, but he doesn't want to spend several thousand to get into it. Thoughts? Leo says it depends on what you want to do with it. What Leo recommends is finding a Maker's Space near you (usually at a local library or junior college) and learn how to use them before you invest all the time and money. It's a great way to get the basics down.
the wire cutter
Kathy wants to know if Leo can recommend a metal detector for looking for gold. Leo says he doesn't have one, but every time he thinks about buying something, he goes to The Wire Cutter.
The chatroom says that there's a list of the best under $1,000 here. But take it with a grain of salt because they could be paid.
David is looking for new speakers for parties and to DJ with, but still use at home. He has a budget of $200 to $400. He wants powered speakers, and preferably Bluetooth. Leo says there's a lot out there. The options are actually more cosmetic now -- water proof, sand proof, etc. Generally, the better sound will be expensive and less robust.