Welcome to the forum, sadly not a good first post.
Take a look through this section, so many first posts like yours too.
Not sure about buying a drone body only, but you could try DJI, or one of the forum sponsors for a price /availability (
@djidroneservice or
@Florida Drone Supply ).
Without background on the crash, you might be wise to get the logs off your viewing device (phone etc) and post here for an evaluation of what happened.
It could be some sort of common mini issue like uncommanded descent, where they could give you a new drone and battery, even without the 'body'.
Or, it might be an unconfirmed thing, no pilot error or equipment fault shown, and DJI usually offer a reasonably discount on a new drone and battery.
Go here and have a read, it's easy to find the txt file, and dat (if you haven't had a manual or auto sync).
With the introduction of the Mavic Mini there has been a noticeable uptick in the number of posts requesting help with lost or crashed aircraft. While there is plenty of help and advice available on this forum, and detailed guidance and options on several other websites, I thought that perhaps a...
mavicpilots.com