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Showing posts from July, 2015

How to turn on your AC with your IPhone for $20

For $20 you can turn on your air conditioner from your IPhone on the way home so the apartment is ice cold by the time you open the door. Order the ORVIBO WIFI SOCKET from amazon ( amazon ink ) Install the WiWo App on your IPhone (IPhone or android) ( install link ) Plug the wifi socket into the wall Hit the button on the front until you get blue light Connect to "WiWo" WIFI network with your IPhone Open the WiWo app and go into AP config mode, it will find your wifi network, and you tell it the password. Disconnect your IPhone from wifi. Now you can control the wifi socket from your IPhone from anywhere. I made this video. This is better than magic. This is better than telepathy. This is REMOTE AIR CONDITIONING.

How to get free prorated rent with a math rounding error

Hypothetical example, you are moving in July 9th. Monthly rent is $5000. What's wrong with this math? Tenant days are July 9 to 31. 31-9 = 22, so 22 days. $5000 * (22/31) = $ 3548 This is wrong. Proof if you move in on the 1st the math would show 30/31 days. It's actually 31/31 days. if you move 31st the math would show 0 days. really, it's still 1 day remaining or 1/31. The correct formula is to offset the day by -1 first. You're counting 0..30 instead of 1..31. monthly_rent * ((day_of_month - 1) / days_in_month) So now it's: 8 to 31, 23 days $5000 * (23/31) = $ 3710 You can save $162 or 1/31 of the monthly rent if your landlord can't do math. I looked at various websites on prorated rent calculation they all do it like this, totally incorrectly. i couldn't find one that does it correctly. Why does this work? July 1st is the " first day of the month ". For rent calculations we want to ask " h...