I think a general comment that goes hand in hand with this list is: don't expect someone who has released open source code to be supporting you. If you are usin

I think a general comment that goes hand in hand with this list is: don't expect someone who has released open source code to be supporting you. If you are using extensive open source code in your (money-making) project, acknowledge that by helping out or making donations. Open source is a two-way street. If you just take, and especially if you have an attitude of entitlement, that is the fastest way to burn your bridges with developers who are providing you with tremendous value.