I tried some more hand washing. My ex-girlfriend is a fashion designer and she taught me dirt and sweat react with fabric for some days. So the sooner the clothes are washed, the longer they last. If they are of reasonably good quality, dirt wears them faster than washings.
I learned the first difference between washing by hand and machine. The amount of work and time required grows linearly with the number of clothes while when using machine you might as well wash as much as fits in.
I found the rinsing part very laborious. I’m coming back using the laundry for most of my clothes and hand wash some critical and most expensive ones.