They will not let you attend and if you try to they will charge you the full rack rate of the stay.
This is the terms and conditions of one of the HICV promotional packages: (the blue emphasis is mine)
Eligibility. No one is excluded from visiting our property or purchasing a timeshare. You must meet certain financial qualifications and attend a two-hour sales presentation (tour) in order to participate in this promotion. If you do not attend the full presentation or are disqualified at the time of the tour, the difference between the special package price and the retail rate for the applicable property at that time, or $300 (whichever is greater) plus premium cost and taxes, will be charged to your credit card.Minimum qualifications: at least 23 (twenty-three) years of age, household income of $50,000 USD (the combined income of unmarried couples living together can be used to determine “household” income), gainfully employed (not to exclude retirees or the disabled with household income as described above) and creditworthy. You may not be in bankruptcy at the time of the tour. You must present a personal major credit card (prepaid cards not accepted) and identification such as a valid U.S. driver’s license, valid U.S. state identification card or valid passport at time of sales presentation. If married or cohabitating, couples must attend sales presentation together and must present the aforementioned identifications (cohabitant’s identifications must contain matching addresses).