Buying a smaller fire pit is likely to be the easiest way to go. The fire pit market is red-hot, with options you can pick from and at any price point.
How do you find someone to build a quality fire pit instead of a money pit? Go online. Read all the ratings and reviews you can find.
Keep in mind that wood fire pits will cost you less than a gas one because, with gas, you have to hire professionals to run the line and provide power.