Add spaces: Whenhewinshestartsoverattheinitialamount.Savinganamountequaltotheinitialamountistheidea.

Answer: When he wins he starts over at the initial amount. Saving an amount equal to the initial amount is the idea.

Add spaces: Imaginehavingthreeshelvestostoreyourbathproducts

Answer: Imagine having three shelves to store your bath products

Add spaces: Debianinvitesyoutoits20thbirthday

Answer:
Debian invites you to its 20th birthday