1
Define the finished result
Write down the video you need, its intended audience, and whether a downloadable file is essential. For magiclight, distinguish trying an idea from obtaining a result you can actually use.
2
Read the displayed terms
At the service you choose, look for current conditions covering generation, previews, downloads, usage rights, and any stated limits. Do this before spending time refining a draft.
3
Test only what the terms support
Try a small, representative idea if the displayed offer permits it. If an action asks you to accept new terms or shows a charge, pause and reassess rather than assuming the rest of the workflow is free.