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Exhibit 31.2

CERTIFICATION

I, Stanton C. Heintz, certify that:

1.           I
have reviewed this quarterly report on Form 10-QSB of Carbiz Inc.;

2.           Based
on my knowledge, this report does not contain any untrue statement of a material
fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading
with respect to the period covered by this report;

3.          
Based on my knowledge, the financial statements, and other financial information
included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of the small business issuer as
of, and for, the periods presented in this report;

4.          
The small business issuer's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) for the small business issuer and
have:

| | (a) | Designed such disclosure controls and procedures, or
      caused such disclosure controls and procedures to be designed under our
      supervision, to ensure that material information relating to the small
      business issuer, including its consolidated subsidiaries, is made known to
      us by others within those entities, particularly during the period in
      which this report is being prepared;                                              
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| |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
| | (b) | Evaluated the effectiveness of the small business
      issuer's disclosure controls and procedures and presented in this report
      our conclusions about the effectiveness of the disclosure controls and
      procedures, as of the end of the period covered by this report based on
      such evaluation; and                                                                                                                                               
| |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
| | (c) | Disclosed in this report any change in the small business
      issuer's internal control over financial reporting that occurred during
      the small business issuer's most recent fiscal quarter (the small business
      issuer's fourth fiscal quarter in the case of an annual report) that has
      materially affected, or is reasonably likely to materially affect, the
      small business issuer's internal control over financial reporting;
    and

5.          
The small business issuer's other certifying officer and I have disclosed, based
on our most recent evaluation of internal control over financial reporting, to
the small business issuer's auditors and the audit committee of the small
business issuer's board of directors (or persons performing the equivalent
functions):

| | (a) | All significant deficiencies and material weaknesses in
      the design or operation of internal control over financial reporting which
      are reasonably likely to adversely affect the small business issuer's
      ability to record, process, summarize and report financial information;
      and
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| |     |                                                                                                                                                                                                                                                                                                             
| | (b) | Any fraud, whether or not material, that involves
      management or other employees who have a significant role in the small
      business issuer's internal control over financial
  reporting.                                                                                                         

|Date: September 14, 2007 | /s/ Stanton C. Heintz                       
|------------------------ | --------------------------------------------
|                         | Stanton C. Heintz                           
|                         | Chief Financial Officer                     
|                         | (principal financial and accounting officer)

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