Many essential oils are quite expensive but there are alternative substitutes for cheaper oils which offer similar benefits or 90% of the original essential oil.
Here are some substitutions for essential oils which you may wish to consider.
ORIGINAL OIL SUBSTITUTE OIL
Jasmine Ylang ylang oil
Neroli 50% Mandarin oil + 50% Petitgrain oil
Chamomile oil Lavender oil
Rose Bois de rose
Bergamot oil Grapefruit oil
Tea tree oil 50% Cajeput oil + 50% Lavender oil
Melissa 50% Lemon oil + 50% Petitgrain oil
Sandalwood oil 50% Benzoin oil + 50% Cedarwood oil
Clary Sage oil 50% Sage oil + 50% Nutmeg oil