A working guide to the free DNA upload sites worth using, what each one does with your file, and how to run the same annotation, polygenic scoring, and relative-matching analyses yourself on your own machine.
A working guide to interpreting raw genotype files from 23andMe or Ancestry, converting them to VCF, annotating variants, and knowing where array data stops being useful.
A working guide to taking a 23andMe/Ancestry export or a whole-genome FASTQ, converting it to an annotated VCF, filtering it sensibly, and knowing which results are real.