This makes a lot of sense if you have a client or two that needs a custom ERP and you have decided that you need to build one from scratch.

I am little lost at why you would venture into this or think about being a reseller for an established brand seemingly out of the blue.

I do recall reading about some open source ERP software packages here on HN before. Here's a search: http://hn.algolia.com/#!/story/forever/0/open source erp