Originally Posted by
vxmike
My experience has been the same. I have an Ink Bold that I use fairly regularly but had to practically beg to get a 2nd biz card (Southwest for the 50K bonus). I don't even think it's worth trying for a 3rd at this point

I got my fourth Chase business card fairly recently (my second Ink Plus when the 60k deal was active) with my three other Chase business cards still open. They asked several questions about my business (revenue/profit history mostly) and then got approved. YMMV.