just shipping it would probably cost as much
remember when you buy a kit from a manufacturer, unless you can arrange a pickup, you pay shipping. You also pay sales tax and their profit margin.
Maybe see if the seller will only sell you the parts that you need that are not available new, like the under dash box and the connections that interface with the dash controls and maybe the compressor mounts. I would go with a modern parallel flow condenser, new compressor, new hoses, new dryer, new expansion valve. The new Sanden style rotary compressors are more efficient, but the piston style compressors also work well and I have heard they are not that hard to rebuild.
For the hoses, if new direct replacements are not available, most areas have a hydraulic hose shop or a commercial - HD truck AC business that can make the hoses, you may need the OE hard ends from the AC lines.
