If you are reporting this as sale of personal items, only gains are included as income and loss is disregarded.
Loss does not offset gains when selling personal items.
If you do want to offset gains with loss, you need to report the sales as a business, using Schedule C.
Loss will offset gain, you can claim any expenses relating to the business if there are any, but you also will be subject to Self-Employment tax which is the FICA tax employers withhold and pay for employees.
IRS LINK
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
