1and1.com Linux Business package. 9.99/mo, SSL certificate (for secure transactions) costed me only $50 for over 5 years.
I would also recommend that if you're going to sell products, use a peice of software called SunShop. It can be found at
http://www.turnkeywebtools.com. It has a price tag of $189, but is worth in IMO
1&1 Business - feature list
Core Features
Web Space 100,000 MB
Monthly Transfer Volume 1,000 GB
FTP Accounts 25
Package Features
Server Side Includes (SSI)
1&1 Control Panel
Server Priority with 1&1 Developer - click for details
Marketing Tools
Chat Channels 5
1&1 WebStatistics
In2site Live Dialogue
1&1 Newsletter Tool
1&1 FormBuilder
Search Engine Tools
Site-Building Tools
1&1 WebsiteBuilder
1&1 Photo Gallery
1&1 Dynamic Content Catalog
PDF2Web Converter
DynamicSiteCreator
Graphic Archive
Software Productivity Suite Worth $600
FrontPage® Server Extensions
Ready-to-Run CGI Library
CGI Script Monitor
Scripts Supported Perl, Python, PHP3,PHP4, PHP5
Cron Jobs/Scheduled Tasks
Perl Syntax Checker with 1&1 Developer - click for details
Database Features
1&1 WebDatabase
MySQL Database (100 MB) 50
Domain Features
Register Domains .com .net .org .us .info .name .biz .cc .tv .ws
Included Domain Names (.com .net .org only) 3
Private Domain Registration
Manage Unlimited Domains
Subdomains 200
External Domains 100
DNS Management
Domain Contact Management
URL Masking
Domain Access with or Without "www"
E-mail Features
E-mail Accounts 2,000
IMAP & POP3 supported
Mailbox space 2 GB
E-mail Aliases 5,000
1&1 WebMail
E-mail Forwarding
E-mail Auto-responder
Catch-all E-mail Addresses
Spam Filter & Virus Scanner
Security Features
Firewall Protection
Daily Backup of your Website
Secure Shell (SSH) Access
Proxy SSL Encryption
Password-protected Directories
GeoTrust Dedicated SSL Certificate with 1&1 Developer - click for details
Guarantee
90-Day Money Back Guarantee
Support
24/7 Phone & E-mail Support
Online FAQs