I'm sure Bronners works fine on its own for most things. You may find it needs a boost when you have kid messes to deal with though. Poopy diapers, mud, grass stains, etc. you'd be amazed how much mess such little people can make.
For your floor, I would need to know more to be truly helpful. If it is really wood that is stained (the wood is discolored from absorbing something, but now dry) I don't think there is much you can do short of refinishing it. Which is not difficult, but is time consuming and can be expensive. If it is stinky I would use vinegar or Bac-out on it, otherwise just clean it the same as the rest of the floor. Oil and/or wax are great for polishing clean wood floors, but not so much for cleaning them. If I had hardwood floors again (someday!) I would sweep or vacuum, mop with diluted white vinegar, then polish with a blend of beeswax and orange oil. The polishing only needs doing 2-4 times a year though, unless you're super hard on your floors.
As far as cleaning with lemon; when using the juice you are using the acid as a cleaning agent, same as with vinegar, but there is also fructose in the juice which can leave a sticky residue. That's why I prefer using vinegar, it has the acid but not the sugar. When cleaning with lemon peel, it's not the acid but the solvent properties of the oil you are using. It will cut grease and dissolve other stubborn substances, but doesn't have the acid or sugar that is in the juice. Be cautious about getting it on your skin though, too much exposure can actually cause thinning of the skin and potentially sores.
My detangler spray is one I started making for my daughter, she has long hair and a tender head. She likes to highlight the red tones in her hair, so I added chamomile and lemon which both lighten hair especially when exposed to sun. If you want to detangle without lightening just replace the chamomile with water and omit the lemon oil. I also add lavender oil because it smells nice and deters lice. It won't get rid of an active infestation, but will discourage them from colonizing your head in the first place. My DD made it through many classroom lice infestations while she was in school and never got any.
Apple cider vinegar, 1 cup
Chamomile tea, 1 cup (steep for at least one hour, up to one day)
Lemon oil, up to 1/4 tsp (as much as you like really for fragrance and lightening, but not more than 1/4 tsp)
Lavender oil, 6-12 drops
Spray on dry hair until slightly damp, comb through. Repeat as needed.
My lotion is pretty all purpose. I use it on my face and body, so does DD. it's also good for baby bums, sore nipples and treating cradle cap. I have heard that can use cocoa butter or Shea butter instead of coconut oil, but haven't tried that. I have replaced the almond oil with olive oil and it works fine, though it comes out kind of yellow. It smells great on its own, but you can add just about any EO you want for fragrance. My favorite is orange and clove, though I can't use that one on the baby.
3/4 cup coconut oil
1/4 cup almond oil
Melt coconut oil (doesn't take much, it melts at 76 degrees) in a small pot or microwave safe bowl. Stir in almond oil and any EO you want to use. Let cool until opaque and slightly thickened. Whip with mixer or beaters (or whisk, but that is tiring and not as effective) until volume is increased by about %50 and it looks like whipped cream. Store in an airtight container in a cool place (below 75 degrees) for ... Well I'm not sure how long. I always use it up before it goes bad, but it should last at least 3-4 months.
Amanda at Soulemama.com has a recipe for beeswax lip balm you could try. I've never made it but, but have been meaning to since i found it.
Hope that helps! Happy cleaning!