Did you apply for SSDI or SSI? There is no income limit on SSDI, it’s based on your inability to work. SSI is based partially on earned income. Official notification comes via mail, not sure how they communicated with you over the phone. Furthermore, the SSA has specific guidance on their website, which is what assisted me with my application. Lastly, I was approved in November of 2019 and was back paid for a full 12 month in November. I don’t think you the person you where speaking with was very knowledgeable of the process...