I hunted 1 day this April in the Kapapala Forest Reserve on the Big Island. I chose this spot based on sat imagery and trail maps. It was not what I expected. When Americans say 4x4 trail, we would say quad trail. I spent a long time rock crawling a jeep wrangler and a long time hiking. I saw no goats or sheep. I saw lots on the other side of the mountain while on holiday but the area I chose worked for the day I had available. The checkin station near my spot had only 1 sheep kill in a year of submitted slips (interestingly 2 days prior to me being there). Clearly not a great spot.
So, DIY is possible if you can get some first hand knowledge on where to go. Winging it may not be fruitful unless you like that challenge.
I started here and downloaded the google earth map of all the zones.
https://www.gohunt.com/read/skills/o...aii#gs.I9FRBa8
Then i printed off their regs and learned the open and closed days and seasons of each little zone, and narrowed it down based off access and sat imagery.
Then I completed my alberta hunters ed course and submitted that online to get my permit.
I brought a take down recurve that was not expensive and i had no attachment to. The islands can be hard on equipment.
If you find goats, you will kill goats. Sheep are harder obviously.
The guided price for goats is good considering how much time you save not having to explore unknown terrain but im a sucker for DIY stuff.