Is this mining rig a good deal?

[chesthing]

I have an opportunity to buy a 100 gh/s rig for $1500. He says it is currently earning .04 btc/day, although that sounds a bit high from the calculators out there. Opinions on what I would see for a profit from it if any given future difficulty appreciated.

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[michielnl]

When starting at Feb 1, you will get approx 1,4 BTC in 1 year.
https://cex.io/calc
Since you will also have to maintain / pay for power etc, this does NOT sound like a good deal.
In this case, I would just buy BTC for $1500.

[dbell]

Let some one else buy that.  Not a very good deal.

Here is an estimate of daily return from Eligius on a 137 GHash unit.  No fees, No Electricity taken out.  A bit less than 0.04 BTC per day.

https://i.imgur.com/Uj6i2km.png

You can get the Antminer 180 GH, (200 Overclocked) for 1.9 BTC.  Shows up as an ad under your post as I am reading it.

Even that may not ROI, but it is a better deal if you want to mine BTC.

Difficulty is going to go up another 26% or so in 3.5 days. 

As mich.. said above, you are better of just buying BTC unless you want the "thrill" of mining.

[chesthing]

I guess that explains why he won't sell it until this weekend, thanks for the info I'll just stick with my gpu miners.