The best longevity advice right now is embarrassingly simple: sleep 8 hours, move your body, eat real food, manage your stress, and cultivate an optimistic mindset. Don't die from something stupid.
I predict that in 5-10 years every household will have a local AI server that serves all the AI workload of the house, digital or robotics. It’ll be as common as a WiFi router or a fridge
it creates a private mesh network to link all the devices in the house and does inference completely locally, with built in data vault resistant to remote data hacking or physical tampering. That way you can have every single piece of information about you and your family stored in there and never leaves it, and AI can use them to provide most accurate and customized services
For people who keep asking what to build in AI Engineering
> Build your own Reasoner (Chain of Thought implementation)
> Build your own Agent loop (ReAct pattern)
> Build your own Inference Server (in C++/Rust)
> Build your own Transformer from scratch (Attention is all you need)
> Build your own Vector Database (HNSW index)
> Build your own RAG pipeline
> Build your own Flash Attention kernel (CUDA)
> Build your own Quantization library (Int8/FP4 implementation)
> Build your own Mixture of Experts (MoE) routing layer
> Build your own Distributed training loop (FSDP/Tensor Parallelism)
> Build your own KV Cache paging system (like vLLM)
> Build your own Speculative Decoding system
> Build your own State Space Model (Mamba implementation)
> Build your own RLHF pipeline (PPO implementation)
> Build your own Small Language Model (SLM)
> Build your own Matrix Multiplication kernel
> Build your own LoRA (Low-Rank Adaptation) trainer
> Build your own Code interpreter sandbox
> Build your own DPO (Direct Preference Optimization) loss function
> Build your own Graph RAG system
> Build your own Model merger (Model Soups/Spherical Linear Interpolation)
> Build your own Interpretability tool (SAE - Sparse Autoencoders)
> Build your own Synthetic data generator
> Build your own Function Calling router
> Build your own Structured Output parser (Context Free Grammars)
> Build your own Multi-modal projector (CLIP implementation)
> Build your own LLM Eval harness
> Build your own Guardrails system (Input/Output filtering)
> Build your own Prompt caching mechanism
> Build your own Tokenizer (BPE implementation)
> Build your own Autograd engine (like Micrograd)
> Build your own Diffusion model (UNet + Scheduler)
> Build your own Vision Transformer (ViT)
> Build your own Whisper-style ASR model
> Build your own Text-to-Speech pipeline
> Build your own Semantic Router
> Build your own Knowledge Graph builder
> Build your own Data curation pipeline (MinHash/Deduplication)
> Build your own AI Gateway (Load balancing/Failover)
> Build your own Parameter Efficient Fine-Tuning (PEFT) library
> Build your own Text-to-SQL engine
> Build your own Recommendation system (Two-tower architecture)
> Build your own Embedding model
> Build your own Logit Processor
> Build your own Softmax kernel optimization
> Build your own Adversarial attack generator
> Build your own Audio Spectrogram transformer
> Build your own Neural Architecture Search
> Build your own Model Distillation pipeline
> Build your own Feature Store
> Build your own Database driver (for Vectors)
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Right now you can purchase a made-in-America firearm with a lifetime warranty that is suppressor-ready and has a multi-decade proven fire control system...
For $269.99
What a country we live in.
If you want to skip to the end of the workflow optimization pipeline right now it's postgres, k8s, sol, omp, cmux-tui via ssh from a macbook, and as much compute and codex subs as you can physically get or go into debt for
My workflow now is basically this:
1. AGENTS.md auto loads up these 4 skills:
ponytail
grilling
wayfinder
ask-matt
2. I have the agent grill me completely over close to 100s of questions
3. I have a custom Pi extension called /handoff that when the context window reaches 100k it asks the model to produce a handoff document which then gets carried over to the next session and we auto-continue from there
This might seem like a lot of work, and it is, making tons of decisons. But trust me, this will beat any vibe coder even with Fable. Because human intelligence, or rather judgement and taste, is the best right now
I didn't buy a house.
I bought a 30 year short position on the US dollar, and they handed me a house as a bonus.
Nobody understands this trade.
A 30 year fixed at sub 4%. No margin call. No mark to market. Free to prepay. Government guaranteed paper behind it.
Pension funds and insurers pay real money for long duration fixed liabilities. Retail got them for free in 2021 and then spent three years crying about their home value on Zillow.
Here's what people miss:
Rates going up makes you RICHER.
A 3% note in a 6% world trades around 70 cents. If you owe $400k, your real obligation is closer to $280k in market terms. That's equity that shows up nowhere on your statement and is completely real.
Denmark lets borrowers buy the loan back at market price. Americans hold the exact same value. They just can't see it.
And the option runs both ways. Rates fall, you refinance. Rates rise, your liability discounts. You are long optionality in every direction and paid nothing for it.
Which is why prepaying is insane.
A dollar of principal earns exactly your mortgage rate. 3%, illiquid, unrecoverable without a HELOC or a sale.
That same dollar in T bills earns more, is liquid tomorrow, and is state tax exempt.
Every dollar of equity in your house is a decision to lend money to yourself below the risk free rate.
The house produces identical shelter at 3% equity or 100% equity. Equity adds nothing to the yield. It's dead capital sitting in drywall.
The price only becomes a real number on the day you sell. Until then it changes nothing about your cash flow. Nobody can margin call you into posting more.
The only thing that forces a sale is losing your income. And that risk gets WORSE when you've buried your reserves in the walls.
Minimum equity plus maximum liquidity isn't the aggressive position. It's the defensive one.
What you actually bought was the conversion of a variable cost into a fixed one.
Rent compounds at CPI plus, forever. Your P&I is a flat nominal line to 2054. That spread is the entire product. The Zestimate is noise.
And the debt dissolves while you sleep.
25% cumulative inflation turns $400k into $320k of real purchasing power. Payment never moves. If wages track inflation even badly, your payment to income ratio decays every year without you lifting a finger.
Nominal fixed debt is the only liability on earth that shrinks on its own.
Stop watching the asset.
Watch the liability.