How much yarn is needed to hand knit a chunky blanket?

I had heard about arm knitting, but it just struck me as confusing, and I know you can use super fine needles, but since I’ve never knit with needles before, it also seemed confusing. Weave the tail into the back of the blanket with your hands by placing it below and over the stitches to secure it. Now start creating knitting stitches. This is the simple stitch you repeat to knit the entire blanket by hand. Now start creating knitting stitches. This is the simple stitch you repeat to knit the entire blanket by hand.

I don’t know about you, but paying that amount of money for a chunky knit blanket just isn’t in my budget.

References:

• https://www.itsalwaysautumn.com/chunky-hand-knit-blanket.html
• How to hand knit a blanket in 1 hour? Easy to follow tutorial. – Learn to create beautiful things