If you are entertaining on a budget and need help, just go to the Dollar Tree nearest you. You can find a whole store full of bargains. Some of them are name brands and some are off brands, but you can't beat the price.
You can find invitations to send to your guest, party napkins, drink cups, straws, plates, all paper goods.
You can purchase decorations here too. Also, you can find snacks, crackers, nuts, candy, almost everything you might need.
The Dollar Tree always has a large supply of glass items. Everything from glass, cups, saucers, plates, bowls to knick-knacks. You can find nice hand towels, or kitchen towels.
All of your entertaining needs on a shoestring budget.