Hello.
I think that the best complement to the persistent home is a multiple configurations in the same medium so you can have a memory stick with your data and a script who ask to you which config to use when boot the machine.

Apple Macintosh Classic M1420 Vintage Desktop Computer Model Macintosh Classic
$100.00
Vintage 1998 iMac G3 M4984 Mac OS + Keyboard Working but Needs Some Repair Read
$295.00
Vintage Apple Mac mini CIB (2009 Mod A1283) Original box/sealed manuals
$450.00
Apple Power Macintosh PowerPC 7300/200 VTG w Keyboard Mouse Storage Drive Read
$199.99
Vintage Apple Macintosh Plus Desktop Computer - M0001A
$150.00
185--Sonnet Crescendo G3 PPCG3-375-5-K-06 G3 Add-On Card for Vintage Mac
$99.00
LARGE LOT Vintage Apple Macintosh Mouse Cables Accessories SCSI etc - UNTESTED
$80.00
Vintage Apple Macintosh Plus 1MB - M0001A W/ Keyboard, 2 Mice, 800K HD, + More
$300.00
Vintage Apple Macintosh Keyboard M0115
$120.00
Mixed Lot Vintage Mac Windows media / Graphics / Sound Software - CDs 37 Pieces
$40.99