Round 2 3 4 2002 MIT Mystery Hunt

HOW TO BE A MILLIONAIRE

That's what it said on the top of the letter you just opened. The outside of the envelope was stamped with "URGENT: Time sensitive material inside!", and it seemed, much more than any of the other documents you've seen so far, to be important to solve quickly. And yet, what do you find inside? Some lousy chain letter handwritten by your uncle, entering him into some crazy encrypted pyramid scheme. Unbelievable!
YCNNI, FZ HCRP ELCGCA REH ECSYCBA.

RNKYIWMY ZIW FRZ QC MPLCTLEM, L YISC KYRK ZIW BLNN AKLNN KPZ KI NLOK
ZIWP ASLPLKA REH CEXIZ KYC OLECP KYLEMA LE NLOC.  KRUC AIFC KLFC IWK
IO ZIWP QWAZ AGYCHWNC REH HI AIFCKYLEM OWE.  SCPYRSA ZIW AYIWNH MI KI
R SRPKZ IE R OPLHRZ ELMYK.

BYI UEIBA?  EIK IENZ GIWNH ZIW CEH WS YRTLEM R MIIH KLFC, QWK ZIW
FLMYK RNAI OLEH RE LFSIPKREK GNWC CEGIHCH LE CJRGKNZ KYC ARFC BRZ RA
KYLA FCAARMC LA.  LK FLMYK CTCE QC OIWP BIPHA NIEM, BLKY KYC OLPAK REH
KYLPH BIPHA QCLEM SPISCP EIWEA.

KYC NRB OLPF L WAC MCECPRNNZ YRA AIFC AIPK IO MCK-KIMCKYCP IE OPLHRZA,
REH L'F AWPC ZIW BIWNH QC BCNGIFC KYCPC.  LE ORGK, L QCK KYRK LO ZIW
FLAACH KYC SRPKZ (IP XWAK FLAACH AIFCKYLEM RK KYC SRPKZ), ZIW GIWNH
FRUC RE RSSILEKFCEK REH QPLEM ZIWP IBE SRPKZ KI KYCF.  FZ IENZ RHTLGC
LA KYRK ZIW PCFRLE SNCRAREK REH RTILH QWALECAANLUC VWCAKLIEA AWGY RA
"BYCPC LA KYRK ACGPCK FCAARMC?" REH "EIB KYRK L'TC OIWEH KYC FCAARMC,
FRZ L SNCRAC QC CJGWACH KI MI QRGU KI FZ HPWHMCPZ?"

                                        ZIWPA,
                                        PLGY WEGNC SCEEZQRMA