There is no such thing as “better”. All programs have their pros and cons, which includes price.
If we want to look at Oscar nominations, than it is only fair to point out that most of the Blackmagic nominations were for grading not editing. Avid is still by far Hollywood’s choice as an edit platform.
Does that make it a “better” editor? No it does not. A lot of the idea of “better” comes from experience, and familiarity with the software you use.
I have been on Avid since 1995. I love it. Yes it is pricey, but its media management is second to none. Its interface might not be as fancy as some others, but that means nothing to me. There is nothing I can’t do in Avid, that can be done in Premiere or Resolve, but it may take a bit of extra work to get there for some things. Again, the same statement can be said for the other programs in discussion. They all handle editing, one way or another in the same basic context.
I have been using Resolve for colour correction since around 2010 or 2011?..whenever it first came out as a $1000.00 software rather than $250000.00. It is fantastic at that job. I bought Fusion when Eyeon still owned it, so I’m very comfortable in that program for effects.
As for editing, i have cut a couple of corporates on Resolve, but i use Avid for series and features. The reason i would jump to Resolve for a piece would be because of a need for some multilayer graphic/edit/multibox items. Resolve is very fast at this. Avid can do it, but there is usually a lot of rendering, and the manipulation of dve boxes is not nearly as smooth in Avid as it is in Resolve. For long form editing, i do not like Resolve’s interface. It is just not designed to be highly adaptable. Avid and Premiere both allow the user to setup the interface the way they want, putting panels pretty much anywhere you want.
Premiere…while i am not an expert in Premiere, I have recently cut on two seasons of a series, where we were forced into Premiere. I did not like the experience. I found the program buggy. I would be cutting along, and all of the sudden, something would stop working, and I would have to relaunch the progam. This would happen several times a day. We were working in a Production environment, which is Premiere’s way of mimicking Avid’s shared project environment. It is clunky, and no where near as nice as Avid’s way of allowing multiple editors to work on multiple, or the same project using the same footage at the same time. That is one area where Avid shines. I personally will not work on Premiere anymore. I have already promised myself to turn down season 3 of the aforementioned show if it should be offered to me. That is how much i enjoyed my Premiere experience.
In the end, I cut on Avid, I colour in Resolve, and I finish back in Avid. If i need to jump to Resolve, or stand alone Fusion for some fancy effects during the edit then i do so. I don’t lose sleep over using what ever tool gets a particular aspect of the job done correctly, and then bringing those elements back into Avid to complete the edit.
If you can afford an Avid license, I think it is well worth learning the program, and as Mads pointed out, if you can afford a Premiere license, than you can probably afford an Avid license. The costs are actually pretty close, although most people assume Avid is much more expensive, but Adobe has a bad habit of sucking you in with a cheap introductory price, and then blackmailing you with a 2x price increase when it is time to renew.
Obviously Resolve is the least expensive way to go, but I am not a huge fan of it as an editor.
In the end, if you want to run a business, spending money is part of the game. Hopefully you can get it back with some paid jobs, and hopefully you will get to the point in your career where the idea of 5 or 6 hundred dollars a year for software is not that bad of a business cost.