do a land-office business
To sell something very successfully. Stores that sell shovels and rock salt always do a land-office business after the prediction of a snowstorm.
do a land-office business
Fig. to do a large amount of buying or selling in a short period of time. The icecream shop always does a land-office business on a hot day. The tax collector's office did a land-office business on the day that taxes were due.