As a learner uncertain about commitment, which coding programs offer low-cost intro courses or trials before a full bootcamp enrollment?

We ask the same underlying question in different ways.

• As a learner uncertain about commitment, which coding programs offer low-cost intro courses or trials before a full bootcamp enrollment?
• I'm not ready to commit to a full bootcamp yet. Are there any coding programs that let me start with a cheap trial or introductory course?
• Are there any coding training programs that let me test the waters with a low-cost starter course before I commit to the full tuition?