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Print Settings That Work for Desk and Kitchen Accessories: PLA or PETG, Layer Height, Infill, Supports
Print Settings That Work for Desk and Kitchen Accessories: PLA or PETG, Layer Height, Infill, Supports
The settings we print our own 23 designs with: which parts get PETG, when 0.16 mm beats 0.2 mm, where 30% infill matters, which two designs need tree supports, and... Read more...
How to Build a Plumber or Contractor Lead List for Your City: What Is Public, What It Costs, How to Check It
How to Build a Plumber or Contractor Lead List for Your City: What Is Public, What It Costs, How to Check It
Where the names come from (map data, state licence registries, the company's own site), what share of rows carry a phone, website, email or owner name in six Western metros,... Read more...
Thumbtack and Angi Alternatives for Plumbers, HVAC and Electricians: What Actually Replaces a Rented Lead
Thumbtack and Angi Alternatives for Plumbers, HVAC and Electricians: What Actually Replaces a Rented Lead
Pay-per-lead marketplaces sell the same homeowner to several pros and set the price. The alternatives that work are the requests you already get, your own referral list and a website... Read more...
Futures position size from a dollar risk: the tick-value arithmetic
Futures position size from a dollar risk: the tick-value arithmetic
Contracts = dollars you will risk divided by (stop in ticks times the tick value). The CME tick values for the index, energy and metals contracts and their micros, with... Read more...
Trailing drawdown, explained with the arithmetic (and a tracker to check your floor)
Trailing drawdown, explained with the arithmetic (and a tracker to check your floor)
Static, trailing end-of-day and trailing intraday drawdown worked through on the same ten days of P&L, why the floor moves up but never down, and why your cushion is better... Read more...
Share of contractors with no website, by metro
How many plumbers, electricians, HVAC and roofing companies have no website? Six metros, counted
1,615 of 9,932 contractors across six metros have no website on record. The share by metro, computed from the list files, and what the count does and does not mean. Read more...
Puget Sound contractor list: owner names and licence years from the WA L&I registry
How to find the owner of a licensed contractor in Washington, Oregon, Arizona or Colorado (free, from the registries)
Four state registries publish who is behind a plumbing, electrical, HVAC or roofing company, and three of them are open data. Here is exactly where the owner's name, the licence... Read more...