The very best option for seasonal sales is Best Consignment Shop Software. It's a one-time payment for lifetime use (by the person who purchases the software). Purchase includes a 30-minute demo to assure that the program does all that is required and works properly for the intended purposes. There are no ongoing monthly or annual support fees but support is available if needed at rates about half that of local IT services.
The cheapest way to stock the shelves and racks at a seasonal sale is taking inventory on consignment. In Best Consignment Shop Software items can be marked down as the sale progresses to encourage purchase. At the end of the sale, unsold merchandise can be returned to consignors, donated to charity, transferred to shop ownership or destroyed.
The program allows variable consignor percentages so friends and family might get more of the sales proceeds than other sale participants.
At the sale one computer would host the program and inventory and POS (checkout) stations would connect to the host to share the same database simultaneously. Sales records will be invaluable so it would be prudent to backup the data frequently during the sale to preserve records.
Resale items may be things that you already own. (It's likely that the IRS will be interested in any item that is sold for a profit.)
In Best Consignment Shop Software 'resale' more commonly refers to purchasing items from individuals (as opposed to 'retail' below) and reselling them. In some areas of the country law enforcement now requires keeping seller information (for the purpose of tracking down stolen merchandise).
In the program, create a new record for a new seller and record as much information as is required or preferred then add the items purchased, recording the prices paid and anticipated selling prices. Payment of course takes place at the time inventory changes hands so a purchase agreement can be printed at that time.
The software keeps track of buy and sell prices, computes profit and loss for each item and for all items during a specified time period or by category.
Conducting a seasonal sale (or even a garage sale for that matter) provides an opportunity to raise some unexpected income from sales that are often not quite so apparent:
In Best Consignment Shop Software and in most taxing jurisdictions purchasing from entities (as opposed to individuals) is 'retail' which doesn't require recording sources of merchandise (for tax purposes).
Like resale, BCSS will keep track of inventory, sales and computer profit/loss.
Get a free live demo of BCSS before buying it. Here's a video overview.