Restrictions on the number of in-channel products

We would like to create a number of in-channel subscription products at different price points. The docs don’t mention anything about only allowing one monthly/annual subscription product; are there any restrictions on the number of in-channel subscription products you can create for a channel?

I don’t know how many you need, but I’ve created upwards of 15-20 without issue.

OK, great. Thanks for your response.