As you mention, it seems like a niche job and I think anyone look at your resume will be skeptical.
Cover letters should be 100% per job, and the resume tailored to each job. Recruiters and hiring managers aren't going to connect the dots from your previous experience to the role their hiring. Spell it out.
$250? A year? A day? A week? $250k?
Where are you located?
As you mention, it seems like a niche job and I think anyone look at your resume will be skeptical.
Cover letters should be 100% per job, and the resume tailored to each job. Recruiters and hiring managers aren't going to connect the dots from your previous experience to the role their hiring. Spell it out.