DAV said even though I am IU I can still obtain a job, but I can only make a certain amount. Is this true? I couldn’t understand why I had 90%, they took away 10% but gave me 20% which of course gives me 100%.
The TDIU veteran isn't allowed to earn an income greater that the federal poverty level for his region. https://aspe.hhs.gov/2021-poverty-guidelines
You don't have to do anything to tell VA you're working. They track your work history by following your SSA and IRS accounts. If you earn more than the guideline in a year VA will contact you and ask "What's up?" Go for it!