I dont know if anyone has alredy discussed about this but it really annoys me, when "No selling" option is turned on and I cannot sell before I click start button. I think it would be much better if we could sell towers before we start playing because I had to restart many times just because I miss-clicked.

Yeah, I totally agree. I always found that a little too strict...

Another point on the start-setup would be, that sometimes the time of the starting countdown is too little to finish my starting-configuration, so I often have to pause/start during that phase even before the real battle begins: How about a countdown of 2 minutes?

Great Game btw!

I worry that it might be confusing to players that in a no selling game they are allowed to sell towers at the beginning.

Well if its confusing to people I think thats WAY better than screwing up before the game even starts. I agree that it should be allowed until the first wave begins. I would rather be confused for a few minutes then be annoyed at having to restart so many times like I have been.