Lag in Build Mode and on Large Lots

Here's more bugs I can't fix 1 sims walking through counter,doors,couchs.2 plant disappear going back to like they was newly planted after weeding and watering money threes and other trees plants bug 3 sim going to the fabacter recycling machine and disappearing once told to use it.bug 4 sims being told to do something they freezen for like 5 to 10 secs. Getting famous paparazzi freezen up the lot when they are spamming the camera in all lots including retail to the point I had to remove the caleb status so I wont freeze or lag.bug 5 a sometime the fun dont go up where you need to restart or any of the mods bars I really hope you all can find them and fix it it's getting unplayable but after playing for year with out problems then once the new patches get added it starts hard core is anyone having these problem