I am not a trained fabricator nor a certified welder but I’m starting a turbo manifold for a non-turbo car and I’m trying to avoid learned mistakes from other D

I am not a trained fabricator nor a certified welder but I’m starting a turbo manifold for a non-turbo car and I’m trying to avoid learned mistakes from other DIYers. We’ll see how it goes, luckily I get to work from home this week.