NOTICE OF GUARANTEED DELIVERY

                                       FOR

                        TENDER OF SHARES OF COMMON STOCK
                                       OF

                              HOMESERVICES.COM INC.
                                       TO

                             HMSV ACQUISITION CORP.

                          A WHOLLY OWNED SUBSIDIARY OF

                       MIDAMERICAN ENERGY HOLDINGS COMPANY

                   (NOT TO BE USED FOR SIGNATURE GUARANTEES)

     This Notice of Guaranteed Delivery, or a form substantially equivalent
hereto, must be used to accept the Offer (as defined below) if (i) certificates
representing shares of common stock, par value $0.01 per share, including the
associated Rights (as defined in the Offer to Purchase) (the "Shares") of
HomeServices.Com Inc., a Delaware corporation, are not immediately available,
(ii) the procedure for book-entry transfer cannot be completed prior to the
Expiration Date (as defined in the Offer to Purchase) or (iii) time will not
permit all required documents to reach the Depositary prior to the Expiration
Date. The Notice of Guaranteed Delivery may be delivered by hand, transmitted
by facsimile transmission or mailed to the Depositary. See the section
captioned "THE TENDER OFFER -- Section 3 -- Procedures for Tendering Shares" of
the Offer to Purchase.

                        The Depositary for the Offer is:

                     COMPUTERSHARE TRUST COMPANY OF NEW YORK


                                                     
                                 BY OVERNIGHT DELIVERY
BY HAND DELIVERY TO:               OR EXPRESS MAIL:                 BY MAIL:
   Wall Street Plaza               Wall Street Plaza           Wall Street Station
 88 Pine Street, 19th Floor   88 Pine Street, 19th Floor          P.O. Box 1010
   New York, NY 10005             New York, NY 10005         New York, NY 10268-1010



                           BY FACSIMILE TRANSMISSION:
                        (for Eligible Institutions only)
                                 (212) 701-7636

                   CONFIRM RECEIPT OF FACSIMILE BY TELEPHONE:
                                 (212) 701-7624

DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET
FORTH ABOVE OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE NUMBER OTHER THAN AS
SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.

     This Form is not to be used to guarantee signatures. If a signature on a
Letter of Transmittal is required to be guaranteed by an "Eligible Institution"
under the instructions thereto, such signature guarantee must appear in the
applicable space provided in the signature box on the Letter of Transmittal.

     The Eligible Institution that completes this form must communicate the
guarantee to the Depositary and must deliver the Letter of Transmittal or an
Agent's Message (as defined in the Offer to Purchase) and Certificates
representing the Shares to the Depositary within the time period specified
herein. Failure to do so could result in financial loss to the Eligible
Institution.





Ladies and Gentlemen:

     The undersigned hereby tenders to HMSV Acquisition Corp., a Delaware
corporation and a wholly owned subsidiary of MidAmerican Energy Holdings
Company, an Iowa corporation, upon the terms and subject to the conditions set
forth in the Offer to Purchase dated August 27, 2001 and the related Letter of
Transmittal, receipt of which is hereby acknowledged, the number of shares set
forth below of the common stock, par value $0.01 per share, including the
associated Rights (as defined in the Offer to Purchase) (the "Shares") of
HomeServices.Com Inc., a Delaware corporation, pursuant to the guaranteed
delivery procedures described under "THE TENDER OFFER -- Section 3 --
Procedures for Tendering Shares" in the Offer to Purchase.

Number of Shares Tendered:
                          ------------------------------------------------------
Certificate Nos. (if available):
                                ------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------

Check box if Shares will be tendered by book-entry transfer:  [ ]

Account Number:
               -----------------------------------------------------------------
Name(s) of Record Holder(s):
                            ----------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                             (PLEASE TYPE OR PRINT)
Address(es):
            --------------------------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                                   (ZIP CODE)
Area Code and Telephone No.:
                            ----------------------------------------------------
Signature(s) of Holder(s):
                          ------------------------------------------------------

- --------------------------------------------------------------------------------

Dated:                 , 2001
      ----------------

                                       2




                                    GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEES)

     The undersigned, a firm which is a member of the Security Transfer Agents
Medallion Program, the New York Stock Exchange Medallion Signature Guarantee
Program or the Stock Exchange Medallion Program (each an "Eligible
Institution"), guarantees to deliver to the Depositary, at one of its addresses
above, either Certificates evidencing the Shares tendered hereby, in proper
form for transfer, or confirmation of book-entry transfer of such Shares into
the Depositary's account at The Depository Trust Company, in each case with
delivery of a properly completed and duly executed Letter of Transmittal (or
facsimile thereof), with any required signature guarantees, or an Agent's
Message (as defined in the Offer to Purchase) in the case of a book-entry
transfer, and any other required documents, within three (3) Nasdaq National
Market trading days of the date hereof.

     The Eligible Institution that completes this form must communicate the
guarantee to the Depositary and must deliver the Letter of Transmittal and
certificates for Shares to the Depositary within the time period shown herein.
Failure to do so could result in a financial loss to such Eligible Institution.


Name of Firm:                              ------------------------------------
             ---------------------------    AUTHORIZED SIGNATURE

Address:                                   Name:
        --------------------------------        -------------------------------
                                                     PLEASE TYPE OR PRINT
                                           Title:
 ---------------------------------------         ------------------------------
                         ZIP CODE

Area Code and Telephone No.:               Dated:                   , 2001
                            ------------         -------------------


NOTE: DO NOT SEND CERTIFICATES FOR SHARES WITH THIS NOTICE. CERTIFICATES
     SHOULD BE SENT ONLY WITH YOUR LETTER OF TRANSMITTAL.


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