Xfinity Comcast cable over charging on advertised deal Sant rosa California

What is the fine print did they say when you signed up? Below is what they said now.

 Two-year contract required. Early termination fee applies. To qualify for offer, service must be ordered via www.comcast.com. After first 12 months, monthly service charge for Starter XF Triple Play goes to $119.99 for months 13-24. After 3 months, monthly service charge for HBO® goes to $10.00 for months 4-12. After promotional period, or if any service is cancelled or downgraded, regular rates apply. Comcast’s current monthly service charges vary, based on area, as follows: Starter XF Triple Play: from $136.99 to $144.95; HBO®: from $13.95 to $23.95; HD DVR service: from $15.95 to $26.95. Comcast’s current monthly service charge for XFINITY Streampix™ is $4.99. TV and Internet service limited to a single outlet. Applicable equipment, installation, taxes, franchise fees, the Regulatory Recovery Fee and other applicable charges (e.g., per-call or international charges) extra. May not be combined with other offers. TV: Basic service subscription required to receive other levels of service. Not all programming available in all areas. On Demand selections subject to charge indicated at time of purchase. Internet: Actual speeds vary and are not guaranteed. Not all features, including Constant Guard™ Protection Suite, are available with Macintosh systems. Voice: $29.95 activation fee waived if service ordered via www.comcast.com. Text Messaging: Standard data charges apply. Check with your carrier. Transfers of existing telephone number not always available. Call clarity claim based on January 2013 analysis of traditional phone service by Tektronix. Caller ID on TV and laptop requires subscription to XFINITY TV, Internet, and Voice services. Service (including 911/emergency services) may not function after an extended power outage. Savings claim based on comparison of XFINITY Voice Unlimited service (with XFINITY TV or Internet service) and comparably featured traditional phone service as of January 2012. Visa® Prepaid Card offer requires activation of Comcast services within 30 days from order date and maintenance of account in good standing for 90 days. Card mailed within 16 weeks from completed installation. Cards are issued by Citibank, N.A. pursuant to a license from Visa U.S.A. Inc. and managed by Citi Prepaid Services. Cards will not have cash access and can be used everywhere. Visa debit cards are accepted. Not available to Comcast employees or their family members. 30-Day Money-Back Guarantee applies to one month’s recurring service charge and standard installation up to $500. Call for restrictions and complete details. © 2013 Comcast. All rights reserved.

 They have charges here and there after you sign up. The $99 does not include taxes & other charges from where you live. Did they charge for installation fee as a separated charge? I don't see any detail in your original post.