Drying actually intensifies the mushroom flavor of many species, especially the Boletes. Convenient and easy to store and use, requiring no special equipment or refrigeration. Sometimes flavor changes character after drying occurs. Volatile flavors and aromas are often lost. Re-constituting does not necessarily restore good texture in many cases.
Equipment can be elaborate and expensive.
Refer to a reliable canning guide and follow manufacturers specifications and instructions exactly. Advantages - Versatility of product. If properly done, anything can be canned, so stews, soups, preparations containing mushrooms can be prepared, then canned. Disadvantages - Expensive, sometimes finicky equipment is necessary, complicated processes and preparation possible and very strict adherence to methods, procedures, And techniques is an absolute must. This is not a method to where one can cut corners.