Examples:

• The company offered to sweeten the deal by including a bonus package for the successful completion of the project.
• The real estate agent added a home warranty to sweeten the deal and make the house more appealing to potential buyers.
• In order to attract more customers, the restaurant decided to sweeten the deal by offering a complimentary dessert with every meal.
• The negotiator suggested including additional training opportunities to sweeten the deal and make the job offer more enticing.
• To close the sale, the car salesman decided to sweeten the deal by throwing in a set of premium floor mats and a full tank of gas.
• The hotel upgraded the guests to a deluxe suite to sweeten the deal and ensure they had a memorable stay.
• The company lowered the subscription price and added exclusive content to sweeten the deal for their online streaming service.
• The landlord agreed to cover the cost of utilities to sweeten the deal and encourage the tenant to sign a longer lease.
• The travel agency offered a free guided tour as a way to sweeten the deal for vacationers booking a package deal.
• The university offered a generous scholarship to sweeten the deal for the talented student and persuade them to enroll.