Since you mention cost, HT and woodworking/DIY-
The easiest way to keep costs low and still have great sound is ignore all the conventional HT advice and stick with stereo. I worked at it very hard for a long time before finally reluctantly coming around to realize there is nothing you can do but trade sound quality for surround sound.
That one I know for certain. Speakers are more of a judgment call. Here's a thread with a lot of ideas. https://forum.audiogon.com/discussions/speaker-suggestions-for-300b-set-amp
The one with the greatest/most dedicated following may be Lowther. https://www.commonsenseaudio.com/lowther.html
But honestly, in terms of budget, practicality, and availability your best bet especially at a good price is probably gonna be the good old Heresy.
The easiest way to keep costs low and still have great sound is ignore all the conventional HT advice and stick with stereo. I worked at it very hard for a long time before finally reluctantly coming around to realize there is nothing you can do but trade sound quality for surround sound.
That one I know for certain. Speakers are more of a judgment call. Here's a thread with a lot of ideas. https://forum.audiogon.com/discussions/speaker-suggestions-for-300b-set-amp
The one with the greatest/most dedicated following may be Lowther. https://www.commonsenseaudio.com/lowther.html
But honestly, in terms of budget, practicality, and availability your best bet especially at a good price is probably gonna be the good old Heresy.