Much of what I do is DIY, but if you’re interested in saving time and benefiting from others’ expertise, here are some links to help you buy well-made gear.

MechanicMike69 makes good alcohol stoves and sells them on ebay.

There are many varieties of woodgas stoves on ebay and Amazon.  Some of the best-regarded models on Amazon are the Solo and Wild stoves.  They are about twice the price of the cheapest models, but have better reputations.

Solo Stove

Wild Stove