More About Points »
Check the RepairPal estimator for your car--there should be Shock/Strut Replacement to give you an idea of how much labor is. Most shops won't install a part that a customer brings in, however. It exposes to liability and warranty issues.
I would start with the parts department/store. Motor mounts are pretty complicated in most cases--often times even professionals will need to see the parts before they know which is which and where they go.
Take a look at the RepairPal estimator for replacement costs. And take a look at the common problems. These vans can be severe problem vehicles--be careful what you buy.
What does this mean? You maintenance schedule can be found in RepairPal's estimator: http://repairpal.com/estimator
This is a hugely complicated enterprise, and you need the assistance of someone who really knows what he or she is doing to work through this with you.