Try to avoid technical terms difficult to comprehend. Also avoid bland or cliché phrases that do not detail what you will provide. For example, do not just say “I teach maths at all levels and for all abilities", mention the exact levels at which you teach (GCSE, A-level, Gmat, Sats, college etc.) as well as the exact topics (algebra, trigonometry, geometry, calculus, etc.)
Transcription doesn’t require a lot of technical skill — you’re essentially just typing up what you hear. Every now and then you may need to take a critical ear to what’s going on if it sounds garbled, and the better you’re able to do this, the better your transcriptions are. But it’s not usually too challenging, and there’s a transcript “code” you can include in your transcript in any section that’s too garbled to understand.
Because the fee is so small but the task takes so little time, the strategy is to do as many of them as possible. However, be sure to read the fine print because many of these companies have a minimum payout, meaning that if you earn $8.55 doing 20 micro jobs, you may have to wait until you’ve earned as much as $50 to actually get your money. Read more about some of the pitfalls of this kind of work.