We've covered a fair amount of mini laptops with 7" to 9" displays in the last few years, but most came with a fairly high price due to the somewhat high specs with Amber Lake or Gemini Lake processors, 8GB+ RAM, 128GB+ storage, etc... meaning in most cases you'd have to pay between $500 and $1,000 for a small device.
If you'd like to have such a mini laptop for simple tasks but don't quite want to spend that much money on it, Pretech F700Mi Mini laptop with a 7" display should be much cheaper thanks to an Intel