Get the service in your home.

Skylight hotel. I think its free gen just order a bottle of water and WiFi away

I have 1mb wifi at home its unlimited u can use it 24/7 and i only pay 746 birr per month its really a good deal if u have atleast 3 ppl at home who uses wifi 746 divided by 3 is betam cheap

you could try the wemezker library