Amazon has Singer Polyester Thread, Assorted Colors, 24 Spools for $1.12 with free Prime shipping. No minimum.
https://www.amazon.com/gp/product…0DER&
Select no-rush shipping at checkout to receive a no-rush shipping credit.
- 10 yards of thread per spool
- Notion pack includes 3 needles and threader
Also available: Singer Bobbins Class 15 Metal, 4-Count $1.17 with free Prime shipping.
https://www.amazon.com/dp/B000UBE0M8