TLDR: Your progress must be quantifiable. "Years", "Days", and "Hours" of practice are terrible metrics.
Dateline: September 1st, 2024
Post #0003
Daily Progress Log #0002
This post will cover quantification of your language learning progress.
TL;DR: I'm using Japanese Kanji and Kana Workbook by Hadamitzky & Spahn, but really its entirely possible to learn for free. You don't need to spend any money on workbooks at all.
TL;DR: Take the Tsukuba Test-Battery of Japanese (TTBJ) SPOT90 + Grammar90 + Kanji SPOT50. It's free, online, and unproctored.
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