Answer:
I am a seven letter word. I am very heavy. Take away two letters from me and you will get eight. Take away one letter from me and you will get 80. What word am I?
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
What is harder to catch the faster you run?
I am a ship that can be made to ride the greatest waves. I am not built by tool, but built by hearts and minds. What am I?
I am black within and red without; with four corners round about. What am I?
No matter how little or how much you use me, you change me every month.