This is a breakdown on how to sell fragrance Body oils. 
#1. Starter Kit $150 shipping inc
4 oz bottle  qty 6. With 144 empty 8 ml rollons
Each 4 oz generates 15 rollons 
Each bottle sells for $10 each 
(Qty 15) x ($10) x ( 6)
Yields. $900 gross profit
............
#2. Starter Kit. $255 shipping inc
12 oils (4 oz) plus. 144 empty rollons 
Yields. $1800 gross profit
... ....    ..
#3. Starter Kit v$365. shipping inc
20 oils (4 oz) plus. 144 empty rollons
Yields.  $3000. Gross profit
. .   
     
#4. Gallon
Gallon size.  $360.  shipping inc
Makes $4800 gross
............
#5.    
25 lb drum. Call for price 
Makes $15000
...............