Can I get some thoughts on these two? Likes/dislikes? Reasons of preference?
Personally, I love TGTB!! Amazing, high quality curriculum at a super affordable price. 
Not sure what grade level you’re looking at it but I don’t really use their prek… these are my prek recs: Resources for Preschool at Home - Everyday Homeschool
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I have only watched videos of these two. There are quite a few that compare them on YT, so you may want to search there.
If cost is a factor, TGATB has all levels of their math and LA free from k-5. If time is a factor and you want simple and quick if go with LLFALE. All grades k-3 are going to need more parent involvement, so keep that in mind.
Both are wonderful companies and support Christian values. TGATB incorporates more into their LA. That could be good or bad depending on your needs and wants.
We’ve never used LLFALE, but love TGTB. We’ve used Pre-K through K LA & Math, and LA Levels 5-7 and now High School. Love it.