I spend far too much time cruising the internet, it gets in the way of working on my projects from time to time.But then I find a gem of a site like this
Need a covered wagon? Don't want to spend a ton of money on what is essentially a prop? Try this:site, Need a dozen 15mm windmills and don't feel like scratchbuilding....they have them.
I have been raiding souvenir shops on all of my vacations picking up such items. I caution that some of the items are rather cartoonish and the scale is extremely variable, so buy one before placing a large order. It is remarkable what a coat of paint does for these things!