I second that suggestion. I use them primarily. There are cheaper alternatives, but since they are usually Chinese companies, shipping time is too long for me.oshpark.com
thank you so much!One-sided boards are the same cost as 2-sided boards at every commercial house. There are some differences in how they want the bottom/other side defined, but that is up to the house.
In fact, if you want a 1-sided board and only a 1-sided board with no solder-resist on the bottom, that might require clever used of your design program or a lot of expense.
Thank you so much!I used JLCPCB as well for a recent project. I'm very happy with them and their quality. 1.7x3.5" board, 25 pcs was around $12 + shipping.
Shipping is cheap and slow or $30 and 2 day.