For Goal #2: Determine which person pairs having a WASH or LANDERS surname have small genetic distances with each other (using as a minimum a FTDNA Y-37 test, but ideally using a FTDNA Y-67 test) and then attempt to determine a Most Recent Common Ancestor (MRCA) for each pair.
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H2BN5 (Wash), 67DVJ (Landers) and UKPSW (Landers) have all obtained Y-67 DNA test results. UKPSW (Landers) Y-67 test results perfectly match H2BN5 (Wash) except for one marker of the 67 markers, which indicates that they are very closely related. 67DVJ (Landers) Y-67 test results perfectly match H2BN5 (Wash) except for two markers of the 67 markers, which indicates that they are very closely related.

Test upgrade costs:
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For those you seek to upgrade their Y-DNA tests to more markers using the previously submitted Y-DNA sample stored at FTDNA, the upgrade costs are:
Y-12 to Y-25 $49
Y-12 to Y-37 $99
Y-12 to Y-67 $189

Y-25 to Y-37 $49
Y-25 to Y-67 $148

Y-37 to Y-67 $99