If your hotel offers services such as swimming pools, restaurants and so on, you can add these services to the system and then sell them.
In fact, you can also add some physical items that you want to sell to the system, such as bottled water, beer, etc.
Please follow these simple steps to sell your services:
Step 1) Go to the Services Section
Go to the Services section, as shown in Figure 42:

Figure 42 Go To the Services Section
Step 2) Click the Add Button
Click the Add button in the Services panel, as shown in Figure 43:

Figure 43 Click the Add Button
Step 3) Enter All Fields
Fill in all the fields in the Add Service dialog, as shown in Figure 44:

Figure 44 Enter All Fields
Then, click the OK button in the Add Service dialog. The service called 'Swimming' has been added to the system, as shown in Figure 45:

Figure 45 Service List
Step 4) Go to the Reservations Section
Go to the Reservations section and select a reservation, as shown in Figure 46:

Figure 46 Reservation List
Step 5) Click the Edit Button
Click the Edit button in the Reservations panel, as shown in Figure 47:

Figure 47 Click the Edit Button
Step 6) Click the Add Button
Click the Add button in the Service Information panel, as shown in Figure 48:

Figure 48 Click the Add Service Button
Step 7) Click the Service Button
Click the button next to the Name Edit Box in the Add Service dialog, as shown in Figure 49:

Figure 49 Click the Service Button
Step 8) Select a Service
Select a service in the Select a Service dialog, as shown in Figure 50:

Figure 50 Select a Service
OK, the service information has been automatically filled into the Add Service dialog, as shown in Figure 51:

Figure 51 Automatically Filled
You can modify its rate or quantity. After that, please click the OK button. You will then see that the rate of this service has been added into the service total and the total amount, as shown in Figure 52:

Figure 52 Service Total
OK, you have successfully sold the service called 'Swimming'!