What works best for leveling uneven concrete?

I started wondering whether polyurethane foam injection is usually worth the extra cost compared with mudjacking after noticing that one corner of our back patio had slowly dropped over time. After a few heavy rainy seasons, water started sitting there instead of running off properly, and it made me a little worried because the edge near the door became easy to trip over. I wasn’t trying to make everything look brand new, just wanted the concrete to be safe and stable again. At first, mudjacking sounded more traditional and maybe stronger for heavier slabs, but then I read that foam injection can be cleaner, faster, and lighter, which made the choice less obvious. While looking around, I found an explanation from this Sarasota flooring company that made the topic easier to understand because it mentioned things like slab condition, drainage, soil movement, and empty spaces under the concrete. That actually helped me realize it’s probably not about choosing the method that sounds better, but about figuring out what is happening under the slab first. Home repairs are funny like that, because one small uneven spot can suddenly make you learn about soil, water runoff, cracks, and all the little details you never paid attention to before.