I don't know about salt. Fleas can be stubborn. I'd moved into an apartment years ago that turned out to be infested with eggs, and when they hatched my cats were infested. I tried the old folk remedy of putting a light at night over a pan of water (supposedly the fleas jump for the light and fall in the water then drown.).got some, but not highly effective. I ended up using chemical treatment, then retreating at 10 days and 21 for any eggs that hatched out. The DE rubbed through her fur will also help. You can try calling pet stores and seeing if they have smaller and less expensive options than the first you found.
REALLY glad it's not bedbugs. You may be sick of hearing it, but they are wicked. They'd crawl from the bun on to you, and get in your furniture that way. Be aware the fleas might try to hitch a ride on you and lay eggs elsewhere. Vacuum the floor or carpet by the bun & dump the bag outside immediately, or vacuum DE into the bag with any fallen bugs. Hope all goes well!
Did you figure out what the worms were?
REALLY glad it's not bedbugs. You may be sick of hearing it, but they are wicked. They'd crawl from the bun on to you, and get in your furniture that way. Be aware the fleas might try to hitch a ride on you and lay eggs elsewhere. Vacuum the floor or carpet by the bun & dump the bag outside immediately, or vacuum DE into the bag with any fallen bugs. Hope all goes well!
Did you figure out what the worms were?