Yes, I already have the whole setup ready.
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I've done an extensive search worldwide for all the accessories I need but because I'm from Europe I got focused on shops in my region to avoid customs. The only part I couldn't find was the Battery Extender which I bought used from ebay USA. Everything else I've got brand new. I'll attach my research list but be aware that some of the links are already sold out but all those things still exist in other shops, the list was made with the lowest possible price in mind.
The Ronin can carry other cameras than red which are much more affordable like Black Magic Pocket which have raw recording and can carry much better and heavier lenses than X5R or X5S (
inspire2). Most of the accessories are needed for the other cameras to work. But the few things that are speccific for using red on that setup are the start/stop cable for red, power cable for red, battery extender, second battery 4350mah and extender kit for red.
Doing all this only for the fun is not very reasonable, especially buying a red camera. The red also have to have some accessories to make it work and thus make it very expensive at some point. For example 24mm T2.1 prime lens costs around $15,000, if you want to have a few different prime focal lenghts this will be way over the price of a few red brains.
I'm going to use my setup with rented camera and lens as this is the only way I can afford, the only reasonable purchase of such an equipment is to make money from renting them to other production companies.