You are not alone. Here are some vendors with real expertise, and useful newsletters, on subscription based online businesses.
Recurly - Credit Card Processing for recurring
Zuora - credit card processing for subscriptions
Chargify - Another merchant vendor with subscription expertise
Mequoda - A complete system to digitize content, build paywalls, establish pricing systems, and build a subscription business.
Optimizely - Great system for optimizing sales funnels for subscription businesses.
Chargebee - Pricing Help for Subscription Businesses
Fusebill - Another vendor of Pricing Help for Subscription Businesses
Card Not Present - Website and info service with conferences
Merchant Card on Subscription Billing from CNP
Credit Card Conferences 2019