Even 1000 miners aren't good for solo mining, in fact not even 10 times that amount is "safe" for solo mining, and as the hash rate grows, you will face the risk of never finding a block for the lifespan of those gears,
Yeah, should have used "numbering thousands" than exactly one thousand.
But he would have had a chance, not a profitable one but he might be lucky enough to find some blocks assuming he can get 1k brand new s19pro, which we know we both know he won't be able to
but we all know those won't be asking such a question online.
With newbies that ask this kind of question I'm more concerned they will fall for some fake gear scam rather than wasting one month of electricity solo mining, in the end, they will see they are not making a penny and they will ask for help, for scams, we know how it ends.
And
OP jumped from mining bitcoin to purchasing A11 Pro, getting a bad wibe from this.