Musician needs help creating a makeshift home studio?

KurtR asked: I use (extensively) a Tascam 4-track cassette recorder to lay down ideas and demos. It has the perfect warmth, and is much more basic and not as convoluted as many digital multi-track recorders. I have many mics, guitars, effects, cables…everything I need to make a mini-home studio for creating demos and fleshing out [...]