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Most referral-code sites are lists of anonymous strings: you copy one and someone you'll never know gets the reward. RefKings ties every code to a real profile. Search an app like Uber Eats or Revolut, see everyone who shares a code for it, and pick whose to use: a friend, a creator you follow, or whoever explains the offer best. Sharing codes? Get one public page with all of them and see how often each is copied. Free.

Most CV builders charge for basics or watermark your PDF. ReadyCV doesn't. Build a professional CV, publish it as a public profile at readycv.org/p/yourname — indexed by Google — and export an unbranded PDF. All free. Need AI? Upload your existing CV and it fills your profile automatically. AI review gives you prioritized improvements with rewritten bullet points. Cover letter drafting and job-tailored CV versions too. Pay-as-you-go credits, no subscription, never expire.