Advice needed on manifold repair

I have been welding for years.
If you brought this to me I would highly recommend that you not have it done.
First off in order to weld this correctly I need to heat it first, then weld it and then you need to have it machined due to weld warpage.
Here is the real kicker. Let’s say it still leaks or cracks again. Money wasted.
Let’s say a little chunk separates and goes into your engine! Then your really screwed.
THROW IT AWAY!