Hi Janice, what kind of patio are you looking to make? Concrete pavers are an inexpensive choice and look nice if they're laid down right. Wood is also a choice.
Here are some good DIY patio ideas: https://www.thespruce.com/diy-patio-ideas-4173952
https://www.hunker.com/13424615/how-to-build-a-patio-on-grass This is a good post.
Hi Janice - These are two articles that show how we took our small and sad deck and turned it into a gorgeous entertainment space complete with a pergola. Hope they help with some inspiration! Hugs, Holly