How many charities are too many?

As you can see from my last blog posting, the Wounded Warrior Project is my favorite charity.
https://bloggingaboutdoinggood.blogspot.com/2019/03/my-favorite-cause-wounded-warrior.html

We can't all be like celebrity chefs who can drum up thousands for their favorite charity just by competing on Chopped or Guy's Grocery Games. The trouble is, when you donate a charity online or contribute to a fundraiser, you end up getting letters from countless charities and some of them have nothing to do with what you support.

How many charities do you keep and how many letters with free gifts do you recycle? If anyone has a good solution to this, please either Tweet or comment on Facebook.

Thanks.