I am not saying that and I think the only relevant change is welfare programs—which we can remove/limit for immigrants to stop it from being excessively costly

I am not saying that and I think the only relevant change is welfare programs—which we can remove/limit for immigrants to stop it from being excessively costly. Tell me a relevant change that affects my case. Take a look at https://openborders.info https://openborders.info for lots of reasons.