putting 3 week old seedlings in big pot

I was wondering, would it save time and stress to simply transplant a young seedling about to outgrow its current container into a very large pot that you intend to flower them in?

i've done it many times back in my soil days, and everything went ok...

hey name's sleepyhead, it would be ok to do that just make sure that you dont over water the plant. most people think that just because the plant is in a larger container it needs more water, thats not true. just water it the same untill you see growth then water some more. also crushed egg shells mixed in the soil would defiantly prevent it from dieing.

in my humble opinion roots form quicker and stronger if grown in appropriate size pots.