A few years ago I wanted to start doing longer solo walks, unsupported. Conventional gear is heavy. Heavy gear limits the food you can carry, and so limits your range. It is also unkind to the body, and not fun. I found some good resources online for downsizing your gear. I don’t necessarily advocate the high cost and low durability of some solutions, but there is plenty to consider here:
https://www.backpackingnorth.com/ultralight-makeover-overview
I have been super happy with gear from this Melbourne based maker of ultralight equipment: