Here's a way to make a DIY isometric training device you may have seen me use! It costs around $35. Other than the strap, you may be able to find some sturdy material you already have around the house. However, the crane scale I used is often $30 . So in total, maybe $65 or so? You don't have to do it exactly like I did, either. You essentially just need -An anchor (the plank, but it could be anything attached to the ground) -A somewhat stretchy strap (only needs to move SLIGHTLY. You'll feel th