SCENARIO:

An event is coming up where all tickets will be the same price. There is an opportunity to purchase an extra item. 

The following provides information to create an Event Ticket item with a base price.
Each ticket is the same price, i.e., for general admission to an event.
This item example also includes an option with choices which are an extra cost.

QUESTION:

Should this item be set up as one item or multiple items?

BEST PRACTICE:

It is always best to create a separate item where additional items are for sale in addition to the ticket prices.

However, if it is deemed to have everything in one item, then be sure to add a No Extras option choice. See the choice name and price information noted below.

The Knowledge Base offers numerous item creation articles, including Best Practices. 

Should you require additional information, please click on one of the following links:

Basic Item Creation Step by Step

How to Create an Item with Options and Choices

Set Up an Item with Options and Choices for Sort and Display Order

Event Tickets - One Price (General Admission) Example

with Option and Choices    

Item Name

Replace the generic item name Do not begin the name with the date or grade. Is the event available to the Public? If yes, review the Public or Unlisted article.

Content Section
Description	(Replace the words in uppercase with your item information.)   SCHOOL NAME is presenting EVENT  on DATE, at TIME, in LOCATION. All tickets are one PRICE. Take your ITEM to the event. Both options have the school logo. A portion of these proceeds will go to SCHOOL NAME FUND. Please bring your receipt as proof of purchase for entry.
Base Price	(Change/Enter Price)
Option 1 Name & Description	(Replace the words in uppercase with option name information.) Option Name - replace with required option name for this item Option Description - optional - additional information, not noted in item description, pertaining to this option How to Purchase:  You have the option to purchase CHOICE ITEM with your tickets. You will be charged for the number of extras as per your quantity selections.
Choice Name & Price	CHOICE 1    (change /enter price)    CHOICE 2    (change/enter price)    No Extras    (NO Price) enter $0.00   By adding a No Extras choice, parent is forced to make a choice.  Remove the opportunity to select incorrectly.
Settings	Min  (Minimum Choice Selection)   set to 1 Max (Maximum Choice Selection)  set to  1 This minimum and maximum setup forces the parent to make a Choice decision. When Previewing, notice there are circles beside the choices.
Additional Settings
Limit Per Student	Leave Default - allows for one ticket purchase
Limit Quantity	Leave Default if there are Unlimited event seats. Is there a limited number of event seats?  If yes, change the toggle from unlimited  and enter a number.
Optional: Visibility	Public or Unlisted  read this article to better understand this feature
PREVIEW Item	Prior to publishing the item (prior to attaching or saving an item made public)