I didn't see any post about this.
One of the merits of furusato nozei is that you can get 10%-15% back in points like Rakuten and others. This scheme will be forbidden by the government starting on October, so if you want those sweet points, make sure to make the donations before that.
https://news.yahoo.co.jp/articles/12a38b15c4551615a4a1b602596cfda0db0ed90e
by BelwarDW