Hi
Did you really go through the initial pointers http://moodle.org/mod/forum/discuss.php?d=185536#p807805 ?
The first step is to find out whether this is due to a bug or malconfiguration in the software involved or your hosting package is simply too weak. The latter is easier, see http://docs.moodle.org/en/Performance_FAQ#How_do_I_benchmark_a_Moodle-site.3F
Also search this forum for discussions on bluehost, make use of the "'Using Moodle' advanced search facility" mentioned in the introduciton.
Hardware and performance
How to avoid DB overload?
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