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Lots of data:

As of this date, there are 658 collections of data including:

a huge obituary collection,
U.S. federal census records,
vital records indices,
European data,
Social Security Death Index,
cemetery records,
newpaper archives,
U.S. phone and address records
11.4 billion records
A great place to get started

Affordable:

14 days free trial with full access
Price afterward: $9.99/month

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Not enough time in the day to explore!

Check out some of the most popular data sets:

Birth Records - Death Records - Marriage Records - Cemetery Records - Divorce Records - Obituary Records - Vital Records

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Data available:

Complete available U.S. Federal Census up to 1940
Surname meanings, trends, and origins
Historical Person database
Obituary collections
Vital records collections
Military records
Worldwide vital data in the "World Explorer" subscription

Pricing:

More expensive, but much more data.
The value of the product increases after purchase because new data is added on a frequent basis.
Various subscriptions to fit a budget.
Gift subscriptions are available.

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Creates an addiction to genealogy.

Check out some of the most popular data sets:

Birth, Marriage and Death Records - Obituary Collection - Ancestry DNA