Financing is only one piece of getting ready to buy. The rest is worth doing before you start touring, not after.
Pre-approval will not answer every financial question you have before an offer is accepted. Pair it with a realistic picture of what you will owe at the closing table, since those costs are separate from your down payment. My guide to closing costs in Nevada breaks down the categories of fees buyers should budget for beyond the purchase price.
Coordinating with a real estate agent early helps too. Agents often have relationships with several local lenders and can point you toward ones who specialize in the loan type or price range you're working with, rather than leaving you to search blindly.
If you have not looked into down payment or first-time buyer assistance, check eligibility before assuming you need to save the full amount yourself. My guide to first-time homebuyer programs in North Las Vegas covers the options currently available.
This groundwork applies to resale and new construction alike. Builder sales offices in Aliante typically still want a pre-approval letter even with their preferred lender, since that's standard practice, not something unique to one builder.
Not everyone reading this is set on buying yet. If you're still weighing renting versus buying for your situation in Aliante, my local cost comparison of renting versus buying in Aliante lays out real numbers side by side.
Either path has its own timeline, and rushing rarely works in your favor. Give yourself enough runway to line up financing and paperwork before you're under contract, not after.
And if you already own a home and your next purchase means selling first, the timing runs in both directions. My Seller's Guide for Las Vegas and Henderson covers that process from the other side, including how financing contingencies typically factor into a sale.