If something seems too good to be true, it probably is.
Bargains are limited, and anything better than a bargain is practically non-existent.
The best way to avoid being fleeced is to spot an illegal scheme or deception before you become a victim. Everyone is subject to fraudulent schemes and con-games. Children, teenagers and the elderly seem to be frequently targeted, perhaps, because they tend to be more trusting of others and assume the same sincerity in return. Always get references and several estimates before allowing anyone to make repairs. Be wary any time payment is requested.