The way you would make money on fragrance oils to sell to stores would not be to buy one and dilute it. You would either buy in huge bulk then break them down into smaller quantities and charge more per ounce or you go all in and buy a distiller to create EO's, you would probably need at least 20 acres of land to boot to grown the flower or plant.
If you really want to make money from FO or EO you need to buy in pounds not ounces. So for example lets say you buy a drum of fragrance A (25lbs) for about $540.00. 25lbs is equal to 400 ounces. You break these up into 1 oz bottles and 5oz bottles. Your cost is 1.35 per ounce. You could easily make a profit then selling to stores. Stores around me sell an ounce for around 7-8 dollars!! Hence the reason I shop online!
I don't want to squash your dreams, but I do want you to look at this realistically. How much space do you have for all the drums and bottles you would need? You are talking about opening a distribution business - there is a reason they are usually run from warehouses.
I bought ounces as samples because I am trying to pick scents.
I plan to buy in bulk, and distribute in smaller quantities. That's the whole point, right?
Do you know where I should be looking as far a suppliers go?