Walmart offers the Fruit of the Loom Men's Platinum Eversoft Crew Long-Sleeve T-Shirt in several colors (Black pictured) for $4.97. Opt for in-store pickup where available to dodge the $5.99 shipping fee. That's tied with last month's mention and the lowest price we could find by $11. It's available in select sizes from S to 4XL.
You very likely are putting your laptop battery into an early grave.