If you actually possess this "paper" (the manual) and are staring at a pile of parts, here is a breakdown of why this specific assembly is notorious, along with the critical "cliff notes" to help you survive the build.
: Avoid overtightening bolts with power tools to prevent damage to the plastic components. Support Resources Lifetime Assembly Instructions lifetime basketball hoop assembly cb14500
Now go back and torque every bolt you left loose: If you actually possess this "paper" (the manual)