I have found that if it is wrapped, and/or a cold day, then yes, you can put chocolate in the eggs. If it is little chocolate squares, or a warm day, then no, you cannot, as it will melt and you'll have a mess on your hands.
Don't put salt on the ice. Eat it right away or keep the shaved ice in a freezer compartment (for brief periods of time). You are absolutely correct it would...
Old white chocolate will not melt well; white chocolate tends to seize and turn grainy when it's past its best-by date. It is better to use it differently, such as...
You can use Ecoegg Laundry Egg for washing eggs and for hireing a vehicle for transporting it depends on where do you live as services vary from place to place.