Jerome McColgan: The lesson I learned was that there are a lot of helpful folks online but their advice should never be accepted without the realization that they may have totally different standards and objectives than I do and it is often best to get several opinions before doing anything that can have permanent or expensive results.
Joe Fotschky: Buying trains is not a wise investment if you plan to retire on the profits you make. Buy what you like and play with them. If some one gives you the line about "collectors item", "won't be around long", etc etc. run like the wind away from that person and spend your money elsewhere.