[m000]

May I ask how did you try to publish, and if you have done this before?

Tier 1 is HARD. Universiy labs (where publishing is their bread and butter) and have multi-year streaks of Tier 1 papers, still seek out collaborations when publishing. Because you still need this extra angle on your work that will make it stand against the proverbial Reviewer 2, or that extra evaluation paragraph that will make it stand out. And don't forget that each Tier 1 publication is probably the life of at least 1 PhD student for several months.

So if you don't put the time and effort in it, forget Tier 1. This is like believing that because you have excellent voice and singing skills, all you have to do to get a top 10 hit is to send your demo tape to a recording company.