Flex plate cracked

Drill the ends of the cracks , J.B. weld it and put it back on. Why not get your money out of it.
Even I am not that cheap. Now my Dad would have done that, and when his scotch-tape fix failed he would say "can't fix a car" and buy another used car. He would have also rounded off the bolts by using an adjustable wrench rather than buying the right tools. There is "smart cheap" and then my relatives.