Not rlly. People almost always buy the cheapest item.
-1tc also maximises profits. 100 or 1 tc doaen't make any difference.
Idk about lazy. I have around 3000 items out there. This is just my case.
Other people have 3 to 4 market pages...it is a save of time to not go through thouse items with multiple clicks and edits and for multiple times/day.
If u remember last year the staff alowed market bots for faster use of the market.
I was constantly suggesting to make it publicly available so that everybody can save time. This is one of thouse things that make market more accesible and make it faster.

Imempty there are several ways of selling items.
By lowering with 1 u make the best profit.
U can also buy on forum and put it in market for a attractive lower price with hope that price won't drop until u sell it.
I like to sell high price misc and make a 5-6k profit per item...
Anyway. I think this would be a great addition and it would make people use the market faster and more efficient.