Prices for a restaurant POS system can start from around $700. A typical low cost example is the Vend Premium which includes; POS software, a complete hardware bundle, PayPal card readers, thermal receipt printer, cash drawer and drawer mount.
You can either negotiate the removal with the original creditor or you can try to dispute it to the credit bureaus. The credit bureaus have 30 days to verify the listing or it must be removed from your credit report. There is no reason not to try and remove your charge offs from your credit report.
While having a charge-off on your credit report is bad for your credit score, all is not lost. You can rebuild your credit after a charge-off by clearing up the delinquent balance, making timely payments on all your other accounts, and giving it some time.