Blacknave
Guides
Practical articles on training, money, and career: written to answer the questions that lead people to our tools.
How to train for Hyrox: a complete 15-week plan
Everything you need to build a Hyrox training plan from scratch: how to structure your weeks, combine running and strength, and peak on race day.
Avalanche vs snowball: which debt payoff method saves you more?
A clear comparison of the debt avalanche and debt snowball methods, with the maths on which one saves more interest and which one most people actually stick to.
How to calculate your FIRE number (and when you can actually retire)
A step-by-step guide to calculating your FIRE number, understanding the 4% rule, and working out your real timeline to financial independence.
The best way to track gym workouts in 2026
How to track workouts effectively: what to log, how often to review, and the difference between an app that stores data and one that helps you progress.
Salary negotiation scripts that actually work (with word-for-word examples)
How to negotiate a job offer, ask for a raise, and handle the most common employer objections — with specific scripts you can use word-for-word.