calculate 1.3 coins per day. "What a 400gh Fury makes today"
then drop that 30% every 10 days.
I don't see any ROI.
If you received full kit today. Here is what you'd get:
1.3 Tuesday, October 01, 2013
0.91 Friday, October 11, 2013 13
0.637 Monday, October 21, 2013 9.1
0.4459 Thursday, October 31, 2013 6.37
0.31213 Sunday, November 10, 2013 4.459
0.218491 Wednesday, November 20, 2013 3.1213
0.1529437 Saturday, November 30, 2013 2.18491
0.10706059 Tuesday, December 10, 2013 1.529437
0.074942413 Friday, December 20, 2013 1.0706059
0.052459689 Monday, December 30, 2013 0.74942413
0.036721782 Thursday, January 09, 2014 0.524596891
0.025705248 Sunday, January 19, 2014 0.367217824
0.017993673 Wednesday, January 29, 2014 0.257052477
0.012595571 Saturday, February 08, 2014 0.179936734
0.0088169 Tuesday, February 18, 2014 0.125955714
0.00617183 Friday, February 28, 2014 0.088168999
0.004320281 Monday, March 10, 2014 0.0617183
0.003024197 Thursday, March 20, 2014 0.04320281
0.002116938 Sunday, March 30, 2014 0.030241967
0.001481856 Wednesday, April 09, 2014 0.021169377
0.001037299 Saturday, April 19, 2014 0.014818564
0.00072611 Tuesday, April 29, 2014 0.010372995
0.000508277 Friday, May 09, 2014 0.007261096
0.000355794 Monday, May 19, 2014 0.005082767
0.000249056 Thursday, May 29, 2014 0.003557937
0.000174339 Sunday, June 08, 2014 0.002490556
0.000122037 Wednesday, June 18, 2014 0.001743389
8.54261E-05 Saturday, June 28, 2014 0.001220372
5.97982E-05 Tuesday, July 08, 2014 0.000854261
Total 43.33134006
$8000/126 =
BTC63.5
So full kit is "worth" $5400 to break even. It should be 4K to make any ROI.