I know this system is convoluted, but that is the current state of the Bolster/expertise system...

At the end of the day if you don't have 2018 expertise it is detrimental to yourself and you are a burden on your team and they will need to carry you

If I have forgotten anything, please add your thoughts

Edit:

Here are some Vidoes that sum up the differences between wearing gear that gives you full expertise and wearing gear with low expertise

A special thanks to Quinan for making them

http://youtu.be/b7iR2ykX2sM
http://youtu.be/7YciNaj9FHo
Also thanks to Biscreet for putting these numbers together

186/178/168/162 armor.

Stats 186 Endo = 4033 / Willpower = 2690 / Expertise = 0 (without bolstering)

Stats 186 Endo = 4033 / Willpower = 2690 / Expertise =1076 (bolstering)

Stats 178 Endo = 4202 / Willpower = 2682 / Expertise =1092 (bolstering)

Stats 168 Endo = 4179 / Willpower = 2658 / Expertise =1104 (bolstering)

Stats 168 Endo = 4164 / Willpower = 2646 / Expertise =

**1113** (bolstering)

Edit: we have another positive member trying to educate people. Here is a link to his thread

http://www.swtor.com/community/showt...=1#post8433030