There is no limit. The limit is set by the immigration officer in front of you. Some don’t care, some take their job serious. I’d suggest a visa next time or an assist company to get you in.
what doesn’t sound realistic to you? Do you need to see my passport?? Do you think I gain anything by lying to you about my entries the past three years? Use the proper channels and you will be fine. It’s the cheap ones who think they can do it themselves that have the problems.