I tried a remediator and it did absolutely nothing for me other than was a big waste of money. However, you could try cleaning up you home first and see how that goes, and cleaning up your furniture etc. If that works then you will not have to move. If your health continues to remain poor, then perhpas a move would be a good idea.
When I moved I had to abondon everything. As every time I moved I would cross contaminate my houses and have to move again.
Spores and Voc's (volitile organic componds) get into everyting. So yes it is likely that you have spores on all of your belongings.