BUYERS, What Issues have you had with Sellers and Listings that Prevent you from Buying?

That's the problem. Sellers have been burned by the A-Gon shipping calculator so they sometimes want to visit the shipping store first before quoting shipping price.

Just another example of an inefficiency in this marketplace. Supply and demand Econ 101 assumes that markets are efficient, buyers and sellers behave rationally, and that the products are near commodities....as we all know, none of these conditions are true and that prevents transactions from happening and ultimately depresses prices.  

I look for the lowest priced similar items either on sale or sold and make sure I price a few dollars less AND accept offers on listing.
Quote a fair shipping price even if you may lose a few dollars if you end up shipping coast to coast, it usually evens out over the years.
Do NOT ask buyer to pay ANY fees of any kind, this will assuredly put them off and have them looking at other ads.
Make sure some halfway decent pictures if possible.
Above all be courteous in all communications even if you privately are thinking what a jerk!
You never know , that "jerk" might be a rich one....lol.

@ebm  perhaps you don't recall when you first started out on this site?

It’s about 3 things:
1. Asking price being at FMV. 
2. Paypal fees being included in the price and not an added fee.  
3. Shipping being included in the price and not an added fee. 

This is how Ebay successful transactions are modeled. Learn the lesson. 

Celander.
Agreed on first 2 points but not the last.
Ship a pair of large speakers coast to coast, probably200 to 300 dollars.
You want seller to eat that?
No way Jose.
Now maybe compromise but you just cannot offer free shipping ad nauseam.
Sure maybe on smaller items like cables, CD etc but not not heavy items.

And trust me eBay does not operate like that in the realm of audio, 20 years on eBay and hifi sales have not changed much in principle.
I would wager over half the items have shipping charges not free shipping.
And the ones I see with free shipping have usually added some to the base price to help compensate.
There is no free ride....

Just my thoughts.