Which AI UGC tool would you prefer for a newbie to create AI avatar videos

I have hardly tried 2 to 3 tools to create ai ugc videos. I keep seeing this crazy AI ugc content on social media. Brands are creating product demos, avatar holding product videos, AI-generated images for their products and many more things. I tried, but I feel it's hard to do so, as I am new to this, and I feel nothing works for me, or maybe I am doing something wrong.

Would love to hear from people who have actually created AI avatar content for clients or brands. Your suggestions matter.

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