<prompt> Human: And its not loose bills, it is 350, 100 bills. Just dont want to be investigated lolUpdate: I went to the bank and handed her the entire stack while at the same time explaining I had just sold a car. She asked the type of car, I told her, she then told me that she and her husband and were huge fans of classic car shows and we made small talk about it. She then put the bills through their machine to count it, confirmed the amount I knew it was and then asked me the name of the company I worked for and what my job title was. Then she printed the receipt and I was done, probably took 15 minutesAssistant: Why would someone give you 35k in cash vs a check? It seems very impractical to do a transaction with that much cash.Human: Yeah its quite a handful. But Im not gonna turn it down, cash seems even better than a check to me, because I can verify it, I know its real Assistant: You can verify they gave you a quantity of bills. Verifying their legitimacy - whether counterfeit or illegally obtained - is another. And then it falls back on you. Hopefully its 100 legit. Ive never done a cash transaction that large. Dont know how common it is, but someone dumping hundreds of 100 bills out would make me a little uncomfortable. Human: Thats my thought too, but Im just a seller, the car I sold is legitimate, how in the world is a private citizen supposed to go about verifying legitimacy as well as how the bills were obtained?  <response>: how in the world is a private citizen supposed to go about verifying legitimacy as well as how the bills were obtainedRight. Which is why I would use cash if I were a crook. More specifically if I were trying to conceal the source of the money. You wont find out until you go deposit 35k in cash which will then be strutinized by the bank. Edit: If the buyer isnt or wasnt willing go accompany you to the bank that would be a big red flag. 