If third parties followed up by offering estimates to do the work, would that be well received? Yes, by the people who matter: The ones with resources and the

If third parties followed up by offering estimates to do the work, would that be well received? Yes, by the people who matter: The ones with resources and the willingness to spend those resources on solutions to their problems. Other people won't receive it so well. These people are neither your customers nor your teammates. The sooner you figure this out, the better. Decline their requests politely, suggest some alternatives if you can, and move on.