I'm a hobbyist. My day job involves creating websites. My feedback is directed towards the website. My opinions are my own. If I come across as critical, it's only because it was solicited.
You have reached out many times on this forum in the past to see what the customers want. To me that's valuable, and I count that strongly in your favor.
Consider your target audience. You stated that it's mainly hobbyists who don't want to spend too much. That should guide your decisions. Therefore, you may not be able to offer the highest quality premium products, as they would miss your target (being necessarily expensive). But the inclusion of educational material, tutorials, examples of finished products, and "can you help" email links might be better at connecting with your target audience. As an example, I spend a fair amount of time searching for help on how to fix voids, how to finish out a particular wood, and what problems to expect down the road (ie checking, drying out). If you are a trusted resource for those answers, I am more likely to trust you in selecting wood.
As an alternative, consider other target audiences (bulk buyers, specialist experts, etc) and see if you should structure your page towards them.
The Internet has little patience. This is a challenge. As an example: at the time of writing I clicked on "Stabilized Hawaiian Koa", and got a page with no results. It is not reasonable to expect a customer to keep searching to find something that they may want. They will abandon the page.
The "Shop All" is a much better feature, especially given that your current inventory is approachable.
The biggest section of your site should be the "call to action". The thing you want them to do to engage them, make them buy, educate them, or whatever your goal is. The biggest section is dedicated to a carousel. (I hate carousels
http://shouldiuseacarousel.com/ ). Not only that, but clicking the link in the carousel takes me to... nowhere. Back to the main site. That has no value.
On a related note, there are 23 links at the center of attention on the main page
above the fold. I don't want to read links. I want to see pretty pictures of wood I want to buy.
I have to scroll down two pages to find one item I can purchase. Make it easier for me to fall in love with some wood.
(for more nerdy reading:
https://conversionxl.com/first-impressions-matter-the-importance-of-great-visual-design/ )
There is an option to sign up for a newsletter, but no incentive/reason for me to.
(Only because I am a nerd) The site is served over http, not https. What this means is that it is not fully secure. I will not submit information to anyone over http. For more info (admittedly a biased site)
https://www.digicert.com/blog/buy-site-know-website-secure/
I wanted to purchase from you in the past. My only reason I have not is because I was shopping for scales, which you declared that you don't provide. This honesty counts in your favor, but it's not what I sought out on those occasions.
You will succeed. I do hope that my feedback is taken as intended; I only took the time to write this because I feel it is a worthwhile investment because you benefit the community now and in the future.