I'll be adding my favorite threads and fabric here, including some of my favorite on-line stores.
I mostly use Aurofil and Beige is one of my go-to threads
The Perfect Box of Neutrals by Aurifil - 50 wieght cotton, 1422 yard spools
Aurifil's The Perfect Box of Colors by Pat Sloan - 50 weight cotton, 1422 yard spools
Connecting Threads Old Glory box; 100% Cotton ; 1200 Yard Spools
I was looking for collections of inexpensive, but good thread to really boost my thread stash. I've been pretty happy with these
Connecting Threads 100% Cotton Thread Sets - 1200 Yard Spools (Over the Rainbow)
Connecting Threads 100% Cotton Thread Sets - 1200 Yard Spools (Variegated)