Any suggestions of other solution providers would be stricken from the forum, understandably. Auctiva wouldn't want us promoting competitors and i understand that.
A lot of folks here have used ebay to list directly during failures or glitches. they say its substantially improved.
not sure why you pay for stamps.com when shipping directly from ebay/paypal is free for anything sold on ebay.
copying and pasting to the descriptions is ok but there can be errors. i have learned to use notepad++. it's not fancy but professional and readable.
if support is not addressing your questions, ask for it to be escalated. the product managers will give you the best answer although possibly not what you want to hear.