Upgrade paths.

If starting with the 12-marker test kit at $99
 upgrade 12 to 25-marker  additional       *$49*     (total $148)
 then upgrade to 37-marker additional    *$49*     (total $197)
 then upgrade to 59-marker additional    *$99*     (total $296)
-or-
 upgrade 12 to 37-marker additional        *$99*     (total $198)
 then upgrade to 59-marker additional    *$99*     (total $297)
-or-
 upgrade 12 to 59-marker additional      *$189*     (total $288)
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If starting with the 25-marker test kit at $148
 upgrade 25 to 37-marker additional        *$49*    (total $197)
 then upgrade to 59-marker additional     *$99*    (total $296)
-or-
 go from 25 to 59-marker additional        *$148*    (total $296)
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If starting with the 37-marker test kit at $189
 then upgrade to 59-marker additional     *$99*    (total $288)
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Or go directly to the 59-marker test kit at $269
 (a $19 to $28 savings)

All prices are FTDNA group rates -

Other choices?    Click this ISOGG Chart.