Free with optional purchases
MailChimp is one of my favorite freemium services. It really helped me out when I was starting my business.
|Freebie||A free item or service|
|FOC||Free of charge|
|LoL||League of Legends|
|Li-fi||Wi-fi that appears to be free but tries to charge you|
|Appoholic||A person addicted to downloading apps|
|TANSTAAFL||There ain't no such thing as a free lunch|