You can list your best choices for icos ; you can do this thing only if you have a good experience with icos.
Other idea you can promote icos/altcoins and you can get some profit for your small business
If we're talking about earnings, then such list may possibly drive traffic, but I have doubts that people will be interested in advice from noname dude. Besides, there are already sites with different ratings.
If you make a website, it should be different from all others. It must have something special that others don't have.