I may have found the solution to my problem...
*** w99 11/1 30 A Voluntary Offering to Advance Pure Worship *** Note that Moses did not stipulate a precise amount that each one should give, nor did he use guilt or shame to motivate the giving. Instead, he simply appealed to every willing-hearted one. Moses evidently felt no need to coerce Gods people. He was confident that each one would give all that he or she could.Compare 2 Corinthians 8:10-12.
If anyone tries to guilt me into making a donation, I will simply point them to this article.