As we witnessed from the successful Tree Well videos, the extrication time is extremely time consuming in deep snow and concerning by many who posted in that thread.
Read this article and practice how to improve your shoveling performance. Practice practice practice shoveling. Your friend or love one may depend on your skill with a shovel.
Abstract: With the widespread use of digital avalanche transceiver technology, search times for companion rescue have decreased significantly. Dedicated transceiver training sites and increased avalanche education opportunities have further aided both recreationists and pros in reducing search times. But the excavation phase remains the most time-consuming component of an avalanche rescue.
Note the following BCA Comment
If your friend’s out of shape you’re dead.” That’s the take at Backcountry Access (BCA) about avalanche rescue shoveling.