I would question their intent on use as I do with people who ask me about computers.
I then go into the biggest question: How much do you expect to spend, cause there is no need to go into some big old spill about high end gear and they only want to spend on Wal Mart prices.

When that is clear, I explain what they should expect to get. I explain if cost is a major hurdle, then used gear could be an option.