You don't need to spend a lot on deep conditioners.  As a matter of fact, most of the ingredients you need to provide your hair with the moisture and strength it needs is found right in your kitchen!  I put how much you need of each thing but feel free to customize the recipe as you see fit for your hair of course.

Avocado Deep Conditioner:

1 Avocado

2-3 tbsp Apple Cider Vinegar

1/4 cup Extra Virgin Olive Oil

1/2 cup Unrefined Shea Butter

Banana Deep Conditioner:

1 Banana

4 tbsp Olive Oil

2 tbsp Glycerin

2 tbsp Honey

Coconut Deep Conditioner:

4 tbsp Extra Virgin Coconut Oil

2 tbsp Honey