What might be inexpensive, according to the audio I was able to find online, is:
The reception
This is a listening comprehension activity. In the audio, it is explained how the person speaking went to a wedding where everyone enjoyed the reception, dancing and having some food, but it also mentions that it was not expensive.
In this type of exercise, you have to listen carefully and then answer the question given. Some tips for listening comprehension's exercises are to listen the audio once and then read the questions so you have an idea about what you are asked to answer. Then, you should listen the audio a second time and see if you can answer the questions.